168957505970 has 16 divisors (see below), whose sum is σ = 331771102848. Its totient is φ = 61439093040.

The previous prime is 168957505967. The next prime is 168957505973. The reversal of 168957505970 is 79505759861.

It is an interprime number because it is at equal distance from previous prime (168957505967) and next prime (168957505973).

It is not an unprimeable number, because it can be changed into a prime (168957505973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767988554 + ... + 767988773.

It is an arithmetic number, because the mean of its divisors is an integer number (20735693928).

Almost surely, 2^168957505970 is an apocalyptic number.

168957505970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168957505970 is a deficient number, since it is larger than the sum of its proper divisors (162813596878).

168957505970 is a wasteful number, since it uses less digits than its factorization.

168957505970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535977345.

The product of its (nonzero) digits is 23814000, while the sum is 62.

The spelling of 168957505970 in words is "one hundred sixty-eight billion, nine hundred fifty-seven million, five hundred five thousand, nine hundred seventy".