12662533416 has 32 divisors (see below), whose sum is σ = 34091436960. Its totient is φ = 3896164032.

The previous prime is 12662533399. The next prime is 12662533441. The reversal of 12662533416 is 61433526621.

It is a super-2 number, since 2×12662533416² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 20292210 + ... + 20292833.

It is an arithmetic number, because the mean of its divisors is an integer number (1065357405).

Almost surely, 2^12662533416 is an apocalyptic number.

It is an amenable number.

12662533416 is an abundant number, since it is smaller than the sum of its proper divisors (21428903544).

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

12662533416 is a wasteful number, since it uses less digits than its factorization.

12662533416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40585065 (or 40585061 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 12662533416 in words is "twelve billion, six hundred sixty-two million, five hundred thirty-three thousand, four hundred sixteen".