61577460603 has 40 divisors (see below), whose sum is σ = 94794749280. Its totient is φ = 39810199680.

The previous prime is 61577460589. The next prime is 61577460611. The reversal of 61577460603 is 30606477516.

61577460603 is a `hidden beast` number, since 61 + 5 + 77 + 460 + 60 + 3 = 666.

It is not a de Polignac number, because 61577460603 - 2¹⁶ = 61577395067 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (61577460643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 499093 + ... + 610121.

It is an arithmetic number, because the mean of its divisors is an integer number (2369868732).

Almost surely, 2^61577460603 is an apocalyptic number.

61577460603 is a deficient number, since it is larger than the sum of its proper divisors (33217288677).

61577460603 is a wasteful number, since it uses less digits than its factorization.

61577460603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111249 (or 111240 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 61577460603 in words is "sixty-one billion, five hundred seventy-seven million, four hundred sixty thousand, six hundred three".