61660348002 has 48 divisors (see below), whose sum is σ = 145956346848. Its totient is φ = 18657555840.

The previous prime is 61660347989. The next prime is 61660348019. The reversal of 61660348002 is 20084306616.

61660348002 is a `hidden beast` number, since 6 + 1 + 6 + 603 + 48 + 0 + 0 + 2 = 666.

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, 92743 + ... + 363210.

It is an arithmetic number, because the mean of its divisors is an integer number (3040757226).

Almost surely, 2^61660348002 is an apocalyptic number.

61660348002 is an abundant number, since it is smaller than the sum of its proper divisors (84295998846).

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

61660348002 is a wasteful number, since it uses less digits than its factorization.

61660348002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456655 (or 456652 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 61660348002 in words is "sixty-one billion, six hundred sixty million, three hundred forty-eight thousand, two".