2164603620 has 48 divisors (see below), whose sum is σ = 6068982528. Its totient is φ = 576456960.

The previous prime is 2164603603. The next prime is 2164603643. The reversal of 2164603620 is 263064612.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21957 + ... + 69363.

It is an arithmetic number, because the mean of its divisors is an integer number (126437136).

Almost surely, 2^2164603620 is an apocalyptic number.

2164603620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2164603620 is an abundant number, since it is smaller than the sum of its proper divisors (3904378908).

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

2164603620 is a wasteful number, since it uses less digits than its factorization.

2164603620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48180 (or 48178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2164603620 is about 46525.3008587801. The cubic root of 2164603620 is about 1293.5785140860.

The spelling of 2164603620 in words is "two billion, one hundred sixty-four million, six hundred three thousand, six hundred twenty".