16291448074 has 16 divisors (see below), whose sum is σ = 26773156800. Its totient is φ = 7373419360.

The previous prime is 16291448051. The next prime is 16291448093. The reversal of 16291448074 is 47084419261.

It is a super-2 number, since 2×16291448074² (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 7 ways as a sum of consecutive naturals, for example, 1583974 + ... + 1594225.

It is an arithmetic number, because the mean of its divisors is an integer number (1673322300).

Almost surely, 2^16291448074 is an apocalyptic number.

16291448074 is a deficient number, since it is larger than the sum of its proper divisors (10481708726).

16291448074 is a wasteful number, since it uses less digits than its factorization.

16291448074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178445.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 16291448074 in words is "sixteen billion, two hundred ninety-one million, four hundred forty-eight thousand, seventy-four".