16293254136 has 32 divisors (see below), whose sum is σ = 40747663440. Its totient is φ = 5429147648.

The previous prime is 16293254083. The next prime is 16293254137. The reversal of 16293254136 is 63145239261.

It is a super-2 number, since 2×16293254136² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16293254137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51561 + ... + 187736.

Almost surely, 2^16293254136 is an apocalyptic number.

It is an amenable number.

16293254136 is an abundant number, since it is smaller than the sum of its proper divisors (24454409304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16293254136 is a wasteful number, since it uses less digits than its factorization.

16293254136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242143 (or 242139 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The spelling of 16293254136 in words is "sixteen billion, two hundred ninety-three million, two hundred fifty-four thousand, one hundred thirty-six".