16625752212 has 12 divisors (see below), whose sum is σ = 38793421856. Its totient is φ = 5541917400.

The previous prime is 16625752211. The next prime is 16625752277. The reversal of 16625752212 is 21225752661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16625752212² (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 (16625752211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692739664 + ... + 692739687.

Almost surely, 2^16625752212 is an apocalyptic number.

16625752212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16625752212 is an abundant number, since it is smaller than the sum of its proper divisors (22167669644).

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

16625752212 is a wasteful number, since it uses less digits than its factorization.

16625752212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385479358 (or 1385479356 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The spelling of 16625752212 in words is "sixteen billion, six hundred twenty-five million, seven hundred fifty-two thousand, two hundred twelve".