70182076561 has 3 divisors (see below), whose sum is σ = 70182341481. Its totient is φ = 70181811642.

The previous prime is 70182076501. The next prime is 70182076577. The reversal of 70182076561 is 16567028107.

The square root of 70182076561 is 264919.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 70182076561 - 2⁹ = 70182076049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70182076501) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 132460 + ... + 397378.

It is an arithmetic number, because the mean of its divisors is an integer number (23394113827).

Almost surely, 2^70182076561 is an apocalyptic number.

70182076561 is the 264919-th square number.

70182076561 is the 132460-th centered octagonal number.

It is an amenable number.

70182076561 is a deficient number, since it is larger than the sum of its proper divisors (264920).

70182076561 is an frugal number, since it uses more digits than its factorization.

70182076561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529838 (or 264919 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 70182076561 in words is "seventy billion, one hundred eighty-two million, seventy-six thousand, five hundred sixty-one".