61602400502 has 4 divisors (see below), whose sum is σ = 92403600756. Its totient is φ = 30801200250.

The previous prime is 61602400499. The next prime is 61602400507. The reversal of 61602400502 is 20500420616.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61602400507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400600124 + ... + 15400600127.

It is an arithmetic number, because the mean of its divisors is an integer number (23100900189).

Almost surely, 2^61602400502 is an apocalyptic number.

61602400502 is a deficient number, since it is larger than the sum of its proper divisors (30801200254).

61602400502 is a wasteful number, since it uses less digits than its factorization.

61602400502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30801200253.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 61602400502 in words is "sixty-one billion, six hundred two million, four hundred thousand, five hundred two".