61670255031 has 48 divisors (see below), whose sum is σ = 111086546688. Its totient is φ = 32028796800.

The previous prime is 61670254979. The next prime is 61670255033. The reversal of 61670255031 is 13055207616.

61670255031 is a `hidden beast` number, since 6 + 1 + 6 + 70 + 2 + 550 + 31 = 666.

It is not a de Polignac number, because 61670255031 - 2¹¹ = 61670252983 is a prime.

It is a super-2 number, since 2×61670255031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61670255033) 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 47 ways as a sum of consecutive naturals, for example, 3912436 + ... + 3928166.

It is an arithmetic number, because the mean of its divisors is an integer number (2314303056).

Almost surely, 2^61670255031 is an apocalyptic number.

61670255031 is a deficient number, since it is larger than the sum of its proper divisors (49416291657).

61670255031 is a wasteful number, since it uses less digits than its factorization.

61670255031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21412 (or 21409 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 61670255031 in words is "sixty-one billion, six hundred seventy million, two hundred fifty-five thousand, thirty-one".