2156654567347 has 16 divisors (see below), whose sum is σ = 2470810355200. Its totient is φ = 1844015880960.

The previous prime is 2156654567329. The next prime is 2156654567357. The reversal of 2156654567347 is 7437654566512.

It is a cyclic number.

It is not a de Polignac number, because 2156654567347 - 2¹⁵ = 2156654534579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156654567357) 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, 17698147 + ... + 17819587.

It is an arithmetic number, because the mean of its divisors is an integer number (154425647200).

Almost surely, 2^{2156654567347} is an apocalyptic number.

2156654567347 is a deficient number, since it is larger than the sum of its proper divisors (314155787853).

2156654567347 is a wasteful number, since it uses less digits than its factorization.

2156654567347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127666.

The product of its digits is 127008000, while the sum is 61.

The spelling of 2156654567347 in words is "two trillion, one hundred fifty-six billion, six hundred fifty-four million, five hundred sixty-seven thousand, three hundred forty-seven".