61430123164 has 12 divisors (see below), whose sum is σ = 107504524288. Its totient is φ = 30714544800.

The previous prime is 61430123143. The next prime is 61430123171. The reversal of 61430123164 is 46132103416.

It is a happy number.

It is a congruent number.

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, 287824 + ... + 453544.

Almost surely, 2^61430123164 is an apocalyptic number.

It is an amenable number.

61430123164 is a deficient number, since it is larger than the sum of its proper divisors (46074401124).

61430123164 is a wasteful number, since it uses less digits than its factorization.

61430123164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258396 (or 258394 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 61430123164 in words is "sixty-one billion, four hundred thirty million, one hundred twenty-three thousand, one hundred sixty-four".