16369031689956 has 243 divisors, whose sum is σ = 46309303461603. Its totient is φ = 4871546333280.

The previous prime is 16369031689919. The next prime is 16369031689981. The reversal of 16369031689956 is 65998613096361.

It is a happy number.

The square root of 16369031689956 is 4045866.

It is a perfect power (a square), and thus also a powerful number.

16369031689956 is a `hidden beast` number, since 1 + 63 + 6 + 90 + 316 + 89 + 95 + 6 = 666.

It is a super-2 number, since 2×16369031689956² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 15754601685 + ... + 15754602723.

Almost surely, 2^{16369031689956} is an apocalyptic number.

16369031689956 is the 4045866-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16369031689956

16369031689956 is an abundant number, since it is smaller than the sum of its proper divisors (29940271771647).

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

16369031689956 is a wasteful number, since it uses less digits than its factorization.

16369031689956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 340122240, while the sum is 72.

The spelling of 16369031689956 in words is "sixteen trillion, three hundred sixty-nine billion, thirty-one million, six hundred eighty-nine thousand, nine hundred fifty-six".