13155997630 has 8 divisors (see below), whose sum is σ = 23680795752. Its totient is φ = 5262399048.

The previous prime is 13155997507. The next prime is 13155997633. The reversal of 13155997630 is 3679955131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155997633) 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, 657799872 + ... + 657799891.

It is an arithmetic number, because the mean of its divisors is an integer number (2960099469).

Almost surely, 2^13155997630 is an apocalyptic number.

13155997630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13155997630 is a deficient number, since it is larger than the sum of its proper divisors (10524798122).

13155997630 is a wasteful number, since it uses less digits than its factorization.

13155997630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315599770.

The product of its (nonzero) digits is 765450, while the sum is 49.

The spelling of 13155997630 in words is "thirteen billion, one hundred fifty-five million, nine hundred ninety-seven thousand, six hundred thirty".