15653051652 has 24 divisors (see below), whose sum is σ = 41741471296. Its totient is φ = 4472300448.

The previous prime is 15653051639. The next prime is 15653051657. The reversal of 15653051652 is 25615035651.

It is a self number, because there is not a number n which added to its sum of digits gives 15653051652.

It is not an unprimeable number, because it can be changed into a prime (15653051657) 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, 93172843 + ... + 93173010.

Almost surely, 2^15653051652 is an apocalyptic number.

15653051652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15653051652 is an abundant number, since it is smaller than the sum of its proper divisors (26088419644).

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

15653051652 is a wasteful number, since it uses less digits than its factorization.

15653051652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186345867 (or 186345865 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 15653051652 in words is "fifteen billion, six hundred fifty-three million, fifty-one thousand, six hundred fifty-two".