2156336465007 has 16 divisors (see below), whose sum is σ = 3044349364320. Its totient is φ = 1352946696192.

The previous prime is 2156336464979. The next prime is 2156336465047. The reversal of 2156336465007 is 7005646336512.

It is not a de Polignac number, because 2156336465007 - 2³¹ = 2154188981359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156336465047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695433 + ... + 2190045.

It is an arithmetic number, because the mean of its divisors is an integer number (190271835270).

Almost surely, 2^{2156336465007} is an apocalyptic number.

2156336465007 is a deficient number, since it is larger than the sum of its proper divisors (888012899313).

2156336465007 is a wasteful number, since it uses less digits than its factorization.

2156336465007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522922.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 2156336465007 in words is "two trillion, one hundred fifty-six billion, three hundred thirty-six million, four hundred sixty-five thousand, seven".