61546038874 has 8 divisors (see below), whose sum is σ = 93215360160. Its totient is φ = 30474252156.

The previous prime is 61546038809. The next prime is 61546038929. The reversal of 61546038874 is 47883064516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149383384 + ... + 149383795.

It is an arithmetic number, because the mean of its divisors is an integer number (11651920020).

Almost surely, 2^61546038874 is an apocalyptic number.

61546038874 is a deficient number, since it is larger than the sum of its proper divisors (31669321286).

61546038874 is a wasteful number, since it uses less digits than its factorization.

61546038874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298767284.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 61546038874 in words is "sixty-one billion, five hundred forty-six million, thirty-eight thousand, eight hundred seventy-four".