1620610060 has 12 divisors (see below), whose sum is σ = 3403281168. Its totient is φ = 648244016.

The previous prime is 1620610021. The next prime is 1620610099. The reversal of 1620610060 is 600160261.

It is an interprime number because it is at equal distance from previous prime (1620610021) and next prime (1620610099).

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, 40515232 + ... + 40515271.

It is an arithmetic number, because the mean of its divisors is an integer number (283606764).

Almost surely, 2^1620610060 is an apocalyptic number.

1620610060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1620610060 is an abundant number, since it is smaller than the sum of its proper divisors (1782671108).

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

1620610060 is a wasteful number, since it uses less digits than its factorization.

1620610060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81030512 (or 81030510 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1620610060 is about 40256.8014129290. The cubic root of 1620610060 is about 1174.6077000309.

The spelling of 1620610060 in words is "one billion, six hundred twenty million, six hundred ten thousand, sixty".