2164624542 has 48 divisors (see below), whose sum is σ = 4822131600. Its totient is φ = 701260416.

The previous prime is 2164624537. The next prime is 2164624577. The reversal of 2164624542 is 2454264612.

2164624542 is a `hidden beast` number, since 2 + 1 + 646 + 2 + 4 + 5 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2164624497 and 2164624506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130578 + ... + 1132490.

It is an arithmetic number, because the mean of its divisors is an integer number (100461075).

Almost surely, 2^2164624542 is an apocalyptic number.

2164624542 is an abundant number, since it is smaller than the sum of its proper divisors (2657507058).

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

2164624542 is a wasteful number, since it uses less digits than its factorization.

2164624542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3654 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 2164624542 is about 46525.5257036393. The cubic root of 2164624542 is about 1293.5826817716.

The spelling of 2164624542 in words is "two billion, one hundred sixty-four million, six hundred twenty-four thousand, five hundred forty-two".