61600650593520 has 160 divisors (see below), whose sum is σ = 199968833889792. Its totient is φ = 15657107659776.

The previous prime is 61600650593509. The next prime is 61600650593591. The reversal of 61600650593520 is 2539505600616.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 61600650593520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18154339 + ... + 21278658.

Almost surely, 2^{61600650593520} is an apocalyptic number.

61600650593520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61600650593520 is an abundant number, since it is smaller than the sum of its proper divisors (138368183296272).

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

61600650593520 is a wasteful number, since it uses less digits than its factorization.

61600650593520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39433319 (or 39433313 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 61600650593520 in words is "sixty-one trillion, six hundred billion, six hundred fifty million, five hundred ninety-three thousand, five hundred twenty".