61602532320 has 96 divisors (see below), whose sum is σ = 221769128448. Its totient is φ = 14080578048.

The previous prime is 61602532301. The next prime is 61602532331. The reversal of 61602532320 is 2323520616.

61602532320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9163684 + ... + 9170403.

It is an arithmetic number, because the mean of its divisors is an integer number (2310095088).

Almost surely, 2^61602532320 is an apocalyptic number.

61602532320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61602532320 is an abundant number, since it is smaller than the sum of its proper divisors (160166596128).

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

61602532320 is a wasteful number, since it uses less digits than its factorization.

61602532320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18334112 (or 18334104 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 61602532320 in words is "sixty-one billion, six hundred two million, five hundred thirty-two thousand, three hundred twenty".