1615455960 has 64 divisors (see below), whose sum is σ = 4855269600. Its totient is φ = 429997056.

The previous prime is 1615455917. The next prime is 1615455977. The reversal of 1615455960 is 695545161.

It is a congruent number.

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, 54756 + ... + 78924.

Almost surely, 2^1615455960 is an apocalyptic number.

1615455960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1615455960 is an abundant number, since it is smaller than the sum of its proper divisors (3239813640).

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

1615455960 is a wasteful number, since it uses less digits than its factorization.

1615455960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24740 (or 24736 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 1615455960 is about 40192.7351644548. The cubic root of 1615455960 is about 1173.3611581584.

The spelling of 1615455960 in words is "one billion, six hundred fifteen million, four hundred fifty-five thousand, nine hundred sixty".