70164063225 has 27 divisors (see below), whose sum is σ = 125678750223. Its totient is φ = 37418714640.

The previous prime is 70164063173. The next prime is 70164063247. The reversal of 70164063225 is 52236046107.

The square root of 70164063225 is 264885.

It is a perfect power (a square), and thus also a powerful number.

70164063225 is a `hidden beast` number, since 7 + 0 + 1 + 640 + 6 + 3 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25259062761 + 44905000464 = 158931^2 + 211908^2 .

It is not a de Polignac number, because 70164063225 - 2⁹ = 70164062713 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 70164063225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3964446 + ... + 3982104.

Almost surely, 2^70164063225 is an apocalyptic number.

70164063225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70164063225 is the 264885-th square number.

70164063225 is the 132443-rd centered octagonal number.

It is an amenable number.

70164063225 is a deficient number, since it is larger than the sum of its proper divisors (55514686998).

70164063225 is an frugal number, since it uses more digits than its factorization.

70164063225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35334 (or 17667 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Multiplying 70164063225 by its sum of digits (36), we get a square (2525906276100 = 1589310²).

The spelling of 70164063225 in words is "seventy billion, one hundred sixty-four million, sixty-three thousand, two hundred twenty-five".