163629077128 has 32 divisors (see below), whose sum is σ = 334758310560. Its totient is φ = 74362970880.

The previous prime is 163629077099. The next prime is 163629077197. The reversal of 163629077128 is 821770926361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308176 + ... + 649792.

It is an arithmetic number, because the mean of its divisors is an integer number (10461197205).

Almost surely, 2^163629077128 is an apocalyptic number.

It is an amenable number.

163629077128 is an abundant number, since it is smaller than the sum of its proper divisors (171129233432).

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

163629077128 is a wasteful number, since it uses less digits than its factorization.

163629077128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347077 (or 347073 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 163629077128 in words is "one hundred sixty-three billion, six hundred twenty-nine million, seventy-seven thousand, one hundred twenty-eight".