167965073297956 has 81 divisors (see below), whose sum is σ = 324520450557051. Its totient is φ = 76011185910000.

The previous prime is 167965073297951. The next prime is 167965073298017. The reversal of 167965073297956 is 659792370569761.

The square root of 167965073297956 is 12960134.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 167965073297956.

It is not an unprimeable number, because it can be changed into a prime (167965073297951) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 71565858775 + ... + 71565861121.

Almost surely, 2^{167965073297956} is an apocalyptic number.

167965073297956 is the 12960134-th square number.

It is an amenable number.

167965073297956 is a deficient number, since it is larger than the sum of its proper divisors (156555377259095).

167965073297956 is an frugal number, since it uses more digits than its factorization.

167965073297956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 8101522800, while the sum is 82.

The spelling of 167965073297956 in words is "one hundred sixty-seven trillion, nine hundred sixty-five billion, seventy-three million, two hundred ninety-seven thousand, nine hundred fifty-six".