16553477706274 has 64 divisors (see below), whose sum is σ = 26750578281984. Its totient is φ = 7654896000000.

The previous prime is 16553477706247. The next prime is 16553477706277. The reversal of 16553477706274 is 47260777435561.

It is a super-2 number, since 2×16553477706274² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16553477706277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612375139 + ... + 612402169.

It is an arithmetic number, because the mean of its divisors is an integer number (417977785656).

Almost surely, 2^{16553477706274} is an apocalyptic number.

16553477706274 is a deficient number, since it is larger than the sum of its proper divisors (10197100575710).

16553477706274 is a wasteful number, since it uses less digits than its factorization.

16553477706274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28483.

The product of its (nonzero) digits is 207446400, while the sum is 64.

The spelling of 16553477706274 in words is "sixteen trillion, five hundred fifty-three billion, four hundred seventy-seven million, seven hundred six thousand, two hundred seventy-four".