163902652890 has 64 divisors (see below), whose sum is σ = 396610007040. Its totient is φ = 43347225600.

The previous prime is 163902652883. The next prime is 163902652897. The reversal of 163902652890 is 98256209361.

It is an interprime number because it is at equal distance from previous prime (163902652883) and next prime (163902652897).

It is not an unprimeable number, because it can be changed into a prime (163902652897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13210690 + ... + 13223090.

It is an arithmetic number, because the mean of its divisors is an integer number (6197031360).

Almost surely, 2^163902652890 is an apocalyptic number.

163902652890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163902652890 is an abundant number, since it is smaller than the sum of its proper divisors (232707354150).

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

163902652890 is a wasteful number, since it uses less digits than its factorization.

163902652890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 163902652890 in words is "one hundred sixty-three billion, nine hundred two million, six hundred fifty-two thousand, eight hundred ninety".