610400021612 has 6 divisors (see below), whose sum is σ = 1068200037828. Its totient is φ = 305200010804.

The previous prime is 610400021573. The next prime is 610400021633. The reversal of 610400021612 is 216120004016.

610400021612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76300002698 + ... + 76300002705.

It is an arithmetic number, because the mean of its divisors is an integer number (178033339638).

Almost surely, 2^610400021612 is an apocalyptic number.

It is an amenable number.

610400021612 is a deficient number, since it is larger than the sum of its proper divisors (457800016216).

610400021612 is a wasteful number, since it uses less digits than its factorization.

610400021612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152600005407 (or 152600005405 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 610400021612 its reverse (216120004016), we get a palindrome (826520025628).

The spelling of 610400021612 in words is "six hundred ten billion, four hundred million, twenty-one thousand, six hundred twelve".