16451490951297 has 48 divisors (see below), whose sum is σ = 25598498402880. Its totient is φ = 10143209742336.

The previous prime is 16451490951271. The next prime is 16451490951317. The reversal of 16451490951297 is 79215909415461.

16451490951297 is a `hidden beast` number, since 1 + 6 + 4 + 5 + 1 + 490 + 9 + 51 + 2 + 97 = 666.

It is not a de Polignac number, because 16451490951297 - 2⁷ = 16451490951169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16451490951697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20798113 + ... + 21574625.

It is an arithmetic number, because the mean of its divisors is an integer number (533302050060).

Almost surely, 2^{16451490951297} is an apocalyptic number.

16451490951297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16451490951297 is a deficient number, since it is larger than the sum of its proper divisors (9147007451583).

16451490951297 is a wasteful number, since it uses less digits than its factorization.

16451490951297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778942 (or 778939 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 16451490951297 in words is "sixteen trillion, four hundred fifty-one billion, four hundred ninety million, nine hundred fifty-one thousand, two hundred ninety-seven".