16732447656474 has 16 divisors (see below), whose sum is σ = 36507158523360. Its totient is φ = 5070438683760.

The previous prime is 16732447656427. The next prime is 16732447656493. The reversal of 16732447656474 is 47465674423761.

It is a super-2 number, since 2×16732447656474² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 253521934189 = 16732447656474 / (1 + 6 + 7 + 3 + 2 + 4 + 4 + 7 + 6 + 5 + 6 + 4 + 7 + 4).

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, 126760967029 + ... + 126760967160.

It is an arithmetic number, because the mean of its divisors is an integer number (2281697407710).

Almost surely, 2^{16732447656474} is an apocalyptic number.

16732447656474 is an abundant number, since it is smaller than the sum of its proper divisors (19774710866886).

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

16732447656474 is a wasteful number, since it uses less digits than its factorization.

16732447656474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253521934205.

The product of its digits is 568995840, while the sum is 66.

The spelling of 16732447656474 in words is "sixteen trillion, seven hundred thirty-two billion, four hundred forty-seven million, six hundred fifty-six thousand, four hundred seventy-four".