2152623646667 has 16 divisors (see below), whose sum is σ = 2321622293760. Its totient is φ = 1984114634400.

The previous prime is 2152623646643. The next prime is 2152623646699. The reversal of 2152623646667 is 7666463262512.

It is a cyclic number.

It is not a de Polignac number, because 2152623646667 - 2¹⁶ = 2152623581131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152623646867) 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, 24442442 + ... + 24530352.

It is an arithmetic number, because the mean of its divisors is an integer number (145101393360).

Almost surely, 2^{2152623646667} is an apocalyptic number.

2152623646667 is a deficient number, since it is larger than the sum of its proper divisors (168998647093).

2152623646667 is a wasteful number, since it uses less digits than its factorization.

2152623646667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90674.

The product of its digits is 26127360, while the sum is 56.

The spelling of 2152623646667 in words is "two trillion, one hundred fifty-two billion, six hundred twenty-three million, six hundred forty-six thousand, six hundred sixty-seven".