16356149622940 has 12 divisors (see below), whose sum is σ = 34347914208216. Its totient is φ = 6542459849168.

The previous prime is 16356149622913. The next prime is 16356149622991. The reversal of 16356149622940 is 4922694165361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408903740554 + ... + 408903740593.

It is an arithmetic number, because the mean of its divisors is an integer number (2862326184018).

Almost surely, 2^{16356149622940} is an apocalyptic number.

16356149622940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16356149622940 is an abundant number, since it is smaller than the sum of its proper divisors (17991764585276).

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

16356149622940 is a wasteful number, since it uses less digits than its factorization.

16356149622940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817807481156 (or 817807481154 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 16356149622940 in words is "sixteen trillion, three hundred fifty-six billion, one hundred forty-nine million, six hundred twenty-two thousand, nine hundred forty".