610881720054 has 16 divisors (see below), whose sum is σ = 1222881260592. Its totient is φ = 203440936608.

The previous prime is 610881720049. The next prime is 610881720067. The reversal of 610881720054 is 450027188016.

It is a super-2 number, since 2×610881720054² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 610881719988 and 610881720015.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46568749 + ... + 46581864.

It is an arithmetic number, because the mean of its divisors is an integer number (76430078787).

Almost surely, 2^610881720054 is an apocalyptic number.

610881720054 is an abundant number, since it is smaller than the sum of its proper divisors (611999540538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610881720054 is a wasteful number, since it uses less digits than its factorization.

610881720054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93151711.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 610881720054 in words is "six hundred ten billion, eight hundred eighty-one million, seven hundred twenty thousand, fifty-four".