61842685320 has 96 divisors (see below), whose sum is σ = 216449415000. Its totient is φ = 15222813696.

The previous prime is 61842685291. The next prime is 61842685381. The reversal of 61842685320 is 2358624816.

61842685320 is a `hidden beast` number, since 6 + 18 + 42 + 68 + 532 + 0 = 666.

61842685320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57280763556 + 4561921764 = 239334^2 + 67542^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6602445 + ... + 6611804.

Almost surely, 2^61842685320 is an apocalyptic number.

61842685320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61842685320 is an abundant number, since it is smaller than the sum of its proper divisors (154606729680).

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

61842685320 is a wasteful number, since it uses less digits than its factorization.

61842685320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13214279 (or 13214272 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 61842685320 in words is "sixty-one billion, eight hundred forty-two million, six hundred eighty-five thousand, three hundred twenty".