2621164642 has 8 divisors (see below), whose sum is σ = 3933194832. Its totient is φ = 1310099700.

The previous prime is 2621164633. The next prime is 2621164657. The reversal of 2621164642 is 2464611262.

2621164642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2621164598 and 2621164607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234484 + ... + 245407.

It is an arithmetic number, because the mean of its divisors is an integer number (491649354).

Almost surely, 2^2621164642 is an apocalyptic number.

2621164642 is a deficient number, since it is larger than the sum of its proper divisors (1312030190).

2621164642 is a wasteful number, since it uses less digits than its factorization.

2621164642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482624.

The product of its digits is 27648, while the sum is 34.

The square root of 2621164642 is about 51197.3108864128. The cubic root of 2621164642 is about 1378.7899218678.

The spelling of 2621164642 in words is "two billion, six hundred twenty-one million, one hundred sixty-four thousand, six hundred forty-two".