651606510051 has 48 divisors (see below), whose sum is σ = 1084260602880. Its totient is φ = 369378878400.

The previous prime is 651606510031. The next prime is 651606510077. The reversal of 651606510051 is 150015606156.

It is not a de Polignac number, because 651606510051 - 2¹⁰ = 651606509027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651606509988 and 651606510015.

It is not an unprimeable number, because it can be changed into a prime (651606510011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7022065 + ... + 7114253.

It is an arithmetic number, because the mean of its divisors is an integer number (22588762560).

Almost surely, 2^651606510051 is an apocalyptic number.

651606510051 is a deficient number, since it is larger than the sum of its proper divisors (432654092829).

651606510051 is a wasteful number, since it uses less digits than its factorization.

651606510051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93096 (or 93093 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 651606510051 in words is "six hundred fifty-one billion, six hundred six million, five hundred ten thousand, fifty-one".