1620158962 has 16 divisors (see below), whose sum is σ = 2543234112. Its totient is φ = 772618000.

The previous prime is 1620158957. The next prime is 1620158977. The reversal of 1620158962 is 2698510261.

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, 34789 + ... + 66712.

It is an arithmetic number, because the mean of its divisors is an integer number (158952132).

Almost surely, 2^1620158962 is an apocalyptic number.

1620158962 is a deficient number, since it is larger than the sum of its proper divisors (923075150).

1620158962 is a wasteful number, since it uses less digits than its factorization.

1620158962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101873.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1620158962 is about 40251.1982678777. The cubic root of 1620158962 is about 1174.4987056122.

The spelling of 1620158962 in words is "one billion, six hundred twenty million, one hundred fifty-eight thousand, nine hundred sixty-two".