16402642136 has 16 divisors (see below), whose sum is σ = 30763697400. Its totient is φ = 8198989504.

The previous prime is 16402642111. The next prime is 16402642141. The reversal of 16402642136 is 63124620461.

It is a super-4 number, since 4×16402642136⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16402642096 and 16402642105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261365 + ... + 317988.

Almost surely, 2^16402642136 is an apocalyptic number.

It is an amenable number.

16402642136 is a deficient number, since it is larger than the sum of its proper divisors (14361055264).

16402642136 is a wasteful number, since it uses less digits than its factorization.

16402642136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582898 (or 582894 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 16402642136 in words is "sixteen billion, four hundred two million, six hundred forty-two thousand, one hundred thirty-six".