2164610461154 has 16 divisors (see below), whose sum is σ = 3297478016760. Its totient is φ = 1065505933440.

The previous prime is 2164610461147. The next prime is 2164610461177. The reversal of 2164610461154 is 4511640164612.

It can be written as a sum of positive squares in 4 ways, for example, as 1257683746225 + 906926714929 = 1121465^2 + 952327^2 .

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, 13623509 + ... + 13781480.

Almost surely, 2^{2164610461154} is an apocalyptic number.

2164610461154 is a deficient number, since it is larger than the sum of its proper divisors (1132867555606).

2164610461154 is a wasteful number, since it uses less digits than its factorization.

2164610461154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27405605.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 2164610461154 in words is "two trillion, one hundred sixty-four billion, six hundred ten million, four hundred sixty-one thousand, one hundred fifty-four".