2161815058302 has 16 divisors (see below), whose sum is σ = 4472720810640. Its totient is φ = 695756570432.

The previous prime is 2161815058253. The next prime is 2161815058307. The reversal of 2161815058302 is 2038505181612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161815058307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6212112063 + ... + 6212112410.

It is an arithmetic number, because the mean of its divisors is an integer number (279545050665).

Almost surely, 2^{2161815058302} is an apocalyptic number.

2161815058302 is an abundant number, since it is smaller than the sum of its proper divisors (2310905752338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161815058302 is a wasteful number, since it uses less digits than its factorization.

2161815058302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424224507.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 2161815058302 in words is "two trillion, one hundred sixty-one billion, eight hundred fifteen million, fifty-eight thousand, three hundred two".