16461307017655 has 8 divisors (see below), whose sum is σ = 19753744523472. Its totient is φ = 13168928212608.

The previous prime is 16461307017647. The next prime is 16461307017671. The reversal of 16461307017655 is 55671070316461.

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

It is a cyclic number.

It is not a de Polignac number, because 16461307017655 - 2³ = 16461307017647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14055874 + ... + 15181903.

It is an arithmetic number, because the mean of its divisors is an integer number (2469218065434).

Almost surely, 2^{16461307017655} is an apocalyptic number.

16461307017655 is a deficient number, since it is larger than the sum of its proper divisors (3292437505817).

16461307017655 is a wasteful number, since it uses less digits than its factorization.

16461307017655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29350385.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 16461307017655 in words is "sixteen trillion, four hundred sixty-one billion, three hundred seven million, seventeen thousand, six hundred fifty-five".