16387226956996 has 27 divisors (see below), whose sum is σ = 33359827391247. Its totient is φ = 7023072978600.

The previous prime is 16387226956979. The next prime is 16387226957033. The reversal of 16387226956996 is 69965962278361.

The square root of 16387226956996 is 4048114.

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

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56529021 + ... + 56818171.

Almost surely, 2^{16387226956996} is an apocalyptic number.

16387226956996 is the 4048114-th square number.

It is an amenable number.

16387226956996 is an abundant number, since it is smaller than the sum of its proper divisors (16972600434251).

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

16387226956996 is an frugal number, since it uses more digits than its factorization.

16387226956996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578320 (or 289160 counting only the distinct ones).

The product of its digits is 3174474240, while the sum is 79.

The spelling of 16387226956996 in words is "sixteen trillion, three hundred eighty-seven billion, two hundred twenty-six million, nine hundred fifty-six thousand, nine hundred ninety-six".