61508960 has 48 divisors (see below), whose sum is σ = 150014592. Its totient is φ = 23808000.

The previous prime is 61508957. The next prime is 61508983. The reversal of 61508960 is 6980516.

It is a self number, because there is not a number n which added to its sum of digits gives 61508960.

It is a congruent number.

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, 1241 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (3125304).

Almost surely, 2^61508960 is an apocalyptic number.

It is an amenable number.

61508960 is an abundant number, since it is smaller than the sum of its proper divisors (88505632).

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

61508960 is a wasteful number, since it uses less digits than its factorization.

61508960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12447 (or 12439 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 61508960 is about 7842.7648186083. The cubic root of 61508960 is about 394.7415068891.

The spelling of 61508960 in words is "sixty-one million, five hundred eight thousand, nine hundred sixty".