61524593982 has 32 divisors (see below), whose sum is σ = 141131688960. Its totient is φ = 19846642680.

The previous prime is 61524593969. The next prime is 61524593983. The reversal of 61524593982 is 28939542516.

61524593982 is a `hidden beast` number, since 6 + 1 + 5 + 245 + 9 + 398 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61524593983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18374848 + ... + 18378195.

It is an arithmetic number, because the mean of its divisors is an integer number (4410365280).

Almost surely, 2^61524593982 is an apocalyptic number.

61524593982 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61524593982 is an abundant number, since it is smaller than the sum of its proper divisors (79607094978).

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

61524593982 is a wasteful number, since it uses less digits than its factorization.

61524593982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36753085 (or 36753079 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 61524593982 in words is "sixty-one billion, five hundred twenty-four million, five hundred ninety-three thousand, nine hundred eighty-two".