329446151664 has 80 divisors (see below), whose sum is σ = 1029865298688. Its totient is φ = 88590560256.

The previous prime is 329446151633. The next prime is 329446151677. The reversal of 329446151664 is 466151644923.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28832362 + ... + 28843785.

Almost surely, 2^329446151664 is an apocalyptic number.

329446151664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

329446151664 is an abundant number, since it is smaller than the sum of its proper divisors (700419147024).

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

329446151664 is a wasteful number, since it uses less digits than its factorization.

329446151664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57676182 (or 57676176 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The spelling of 329446151664 in words is "three hundred twenty-nine billion, four hundred forty-six million, one hundred fifty-one thousand, six hundred sixty-four".