16274465878 has 12 divisors (see below), whose sum is σ = 26832694140. Its totient is φ = 7397484380.

The previous prime is 16274465849. The next prime is 16274465881. The reversal of 16274465878 is 87856447261.

It is a super-2 number, since 2×16274465878² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33624688 + ... + 33625171.

It is an arithmetic number, because the mean of its divisors is an integer number (2236057845).

Almost surely, 2^16274465878 is an apocalyptic number.

16274465878 is a deficient number, since it is larger than the sum of its proper divisors (10558228262).

16274465878 is a wasteful number, since it uses less digits than its factorization.

16274465878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67249883 (or 67249872 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 58.

The spelling of 16274465878 in words is "sixteen billion, two hundred seventy-four million, four hundred sixty-five thousand, eight hundred seventy-eight".