16394764697400 has 48 divisors (see below), whose sum is σ = 50823770563800. Its totient is φ = 4371937252480.

The previous prime is 16394764697369. The next prime is 16394764697461. The reversal of 16394764697400 is 479646749361.

It is a super-2 number, since 2×16394764697400² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13662303315 + ... + 13662304514.

Almost surely, 2^{16394764697400} is an apocalyptic number.

16394764697400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16394764697400 is an abundant number, since it is smaller than the sum of its proper divisors (34429005866400).

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

16394764697400 is a wasteful number, since it uses less digits than its factorization.

16394764697400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27324607848 (or 27324607839 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 66.

The spelling of 16394764697400 in words is "sixteen trillion, three hundred ninety-four billion, seven hundred sixty-four million, six hundred ninety-seven thousand, four hundred".