16651440462352 has 40 divisors (see below), whose sum is σ = 32582807738712. Its totient is φ = 8242980096000.

The previous prime is 16651440462341. The next prime is 16651440462401. The reversal of 16651440462352 is 25326404415661.

It can be written as a sum of positive squares in 4 ways, for example, as 15269931720976 + 1381508741376 = 3907676^2 + 1175376^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16651440462296 and 16651440462305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46720408 + ... + 47075464.

Almost surely, 2^{16651440462352} is an apocalyptic number.

It is an amenable number.

16651440462352 is a deficient number, since it is larger than the sum of its proper divisors (15931367276360).

16651440462352 is a wasteful number, since it uses less digits than its factorization.

16651440462352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384187 (or 384181 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 16651440462352 in words is "sixteen trillion, six hundred fifty-one billion, four hundred forty million, four hundred sixty-two thousand, three hundred fifty-two".