60515675640 has 512 divisors, whose sum is σ = 243419904000. Its totient is φ = 13063680000.

The previous prime is 60515675617. The next prime is 60515675657. The reversal of 60515675640 is 4657651506.

60515675640 is a `hidden beast` number, since 6 + 0 + 515 + 6 + 75 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 86327290 + ... + 86327990.

It is an arithmetic number, because the mean of its divisors is an integer number (475429500).

Almost surely, 2^60515675640 is an apocalyptic number.

60515675640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60515675640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121709952000).

60515675640 is an abundant number, since it is smaller than the sum of its proper divisors (182904228360).

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

60515675640 is a wasteful number, since it uses less digits than its factorization.

60515675640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 60515675640 in words is "sixty billion, five hundred fifteen million, six hundred seventy-five thousand, six hundred forty".