2151466505416 has 16 divisors (see below), whose sum is σ = 4164128720640. Its totient is φ = 1041032179920.

The previous prime is 2151466505401. The next prime is 2151466505429. The reversal of 2151466505416 is 6145056641512.

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, 4337633836 + ... + 4337634331.

It is an arithmetic number, because the mean of its divisors is an integer number (260258045040).

Almost surely, 2^{2151466505416} is an apocalyptic number.

It is an amenable number.

2151466505416 is a deficient number, since it is larger than the sum of its proper divisors (2012662215224).

2151466505416 is a wasteful number, since it uses less digits than its factorization.

2151466505416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675268204 (or 8675268200 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 2151466505416 in words is "two trillion, one hundred fifty-one billion, four hundred sixty-six million, five hundred five thousand, four hundred sixteen".