70166481 has 32 divisors (see below), whose sum is σ = 119040000. Its totient is φ = 36444240.

The previous prime is 70166479. The next prime is 70166519. The reversal of 70166481 is 18466107.

It is a happy number.

It is not a de Polignac number, because 70166481 - 2¹ = 70166479 is a prime.

It is a super-2 number, since 2×70166481² = 9846670111846722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70166471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8220 + ... + 14418.

It is an arithmetic number, because the mean of its divisors is an integer number (3720000).

Almost surely, 2^70166481 is an apocalyptic number.

It is an amenable number.

70166481 is a deficient number, since it is larger than the sum of its proper divisors (48873519).

70166481 is a wasteful number, since it uses less digits than its factorization.

70166481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234 (or 6220 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 70166481 is about 8376.5434995588. The cubic root of 70166481 is about 412.4549930694.

The spelling of 70166481 in words is "seventy million, one hundred sixty-six thousand, four hundred eighty-one".