29664857742156 has 216 divisors, whose sum is σ = 98023009934304. Its totient is φ = 7483537797120.

The previous prime is 29664857742119. The next prime is 29664857742173. The reversal of 29664857742156 is 65124775846692.

29664857742156 is a `hidden beast` number, since 2 + 9 + 6 + 6 + 4 + 8 + 577 + 42 + 1 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 27594325 + ... + 28649196.

Almost surely, 2^{29664857742156} is an apocalyptic number.

29664857742156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

29664857742156 is an abundant number, since it is smaller than the sum of its proper divisors (68358152192148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29664857742156 is a wasteful number, since it uses less digits than its factorization.

29664857742156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56243581 (or 56243569 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 72.

The spelling of 29664857742156 in words is "twenty-nine trillion, six hundred sixty-four billion, eight hundred fifty-seven million, seven hundred forty-two thousand, one hundred fifty-six".