2164745615156 has 24 divisors (see below), whose sum is σ = 3953724492480. Its totient is φ = 1035126968832.

The previous prime is 2164745615147. The next prime is 2164745615177. The reversal of 2164745615156 is 6515165474612.

It is a super-3 number, since 3×2164745615156³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2164745615098 and 2164745615107.

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, 1600226 + ... + 2624921.

It is an arithmetic number, because the mean of its divisors is an integer number (164738520520).

Almost surely, 2^{2164745615156} is an apocalyptic number.

It is an amenable number.

2164745615156 is a deficient number, since it is larger than the sum of its proper divisors (1788978877324).

2164745615156 is a wasteful number, since it uses less digits than its factorization.

2164745615156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230743 (or 4230741 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The spelling of 2164745615156 in words is "two trillion, one hundred sixty-four billion, seven hundred forty-five million, six hundred fifteen thousand, one hundred fifty-six".