61498418607 has 12 divisors (see below), whose sum is σ = 88838928984. Its totient is φ = 40995308880.

The previous prime is 61498418603. The next prime is 61498418627. The reversal of 61498418607 is 70681489416.

61498418607 is a `hidden beast` number, since 6 + 14 + 9 + 8 + 4 + 18 + 607 = 666.

It is not a de Polignac number, because 61498418607 - 2² = 61498418603 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61498418603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193908 + ... + 400745.

It is an arithmetic number, because the mean of its divisors is an integer number (7403244082).

Almost surely, 2^61498418607 is an apocalyptic number.

61498418607 is a deficient number, since it is larger than the sum of its proper divisors (27340510377).

61498418607 is a wasteful number, since it uses less digits than its factorization.

61498418607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606150 (or 606147 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 61498418607 in words is "sixty-one billion, four hundred ninety-eight million, four hundred eighteen thousand, six hundred seven".