651610065996 has 30 divisors (see below), whose sum is σ = 1703437426460. Its totient is φ = 217203355224.

The previous prime is 651610065947. The next prime is 651610066001. The reversal of 651610065996 is 699560016156.

It is a super-2 number, since 2×651610065996² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1005570766 + ... + 1005571413.

Almost surely, 2^651610065996 is an apocalyptic number.

It is an amenable number.

651610065996 is an abundant number, since it is smaller than the sum of its proper divisors (1051827360464).

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

651610065996 is a wasteful number, since it uses less digits than its factorization.

651610065996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011142195 (or 2011142184 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 651610065996 in words is "six hundred fifty-one billion, six hundred ten million, sixty-five thousand, nine hundred ninety-six".