12910155616 has 24 divisors (see below), whose sum is σ = 25432202880. Its totient is φ = 6451183488.

The previous prime is 12910155571. The next prime is 12910155647. The reversal of 12910155616 is 61655101921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67456 + ... + 174271.

It is an arithmetic number, because the mean of its divisors is an integer number (1059675120).

Almost surely, 2^12910155616 is an apocalyptic number.

12910155616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12910155616 is a deficient number, since it is larger than the sum of its proper divisors (12522047264).

12910155616 is a wasteful number, since it uses less digits than its factorization.

12910155616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243406 (or 243398 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 12910155616 in words is "twelve billion, nine hundred ten million, one hundred fifty-five thousand, six hundred sixteen".