16550522074 has 32 divisors (see below), whose sum is σ = 26764086096. Its totient is φ = 7647313920.

The previous prime is 16550522069. The next prime is 16550522089. The reversal of 16550522074 is 47022505561.

It can be written as a sum of positive squares in 8 ways, for example, as 12778719849 + 3771802225 = 113043^2 + 61415^2 .

It is a super-2 number, since 2×16550522074² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223154 + ... + 1236610.

Almost surely, 2^16550522074 is an apocalyptic number.

16550522074 is a deficient number, since it is larger than the sum of its proper divisors (10213564022).

16550522074 is a wasteful number, since it uses less digits than its factorization.

16550522074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14130.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 16550522074 in words is "sixteen billion, five hundred fifty million, five hundred twenty-two thousand, seventy-four".