1562120660 has 48 divisors (see below), whose sum is σ = 3325795200. Its totient is φ = 616262784.

The previous prime is 1562120657. The next prime is 1562120669. The reversal of 1562120660 is 660212651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1562120669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552731 + ... + 555549.

It is an arithmetic number, because the mean of its divisors is an integer number (69287400).

Almost surely, 2^1562120660 is an apocalyptic number.

1562120660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1562120660 is an abundant number, since it is smaller than the sum of its proper divisors (1763674540).

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

1562120660 is a wasteful number, since it uses less digits than its factorization.

1562120660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1562120660 is about 39523.6721472082. The cubic root of 1562120660 is about 1160.3032946530.

The spelling of 1562120660 in words is "one billion, five hundred sixty-two million, one hundred twenty thousand, six hundred sixty".