516101001651 has 32 divisors (see below), whose sum is σ = 781156353600. Its totient is φ = 336694026240.

The previous prime is 516101001589. The next prime is 516101001749. The reversal of 516101001651 is 156100101615.

516101001651 is a `hidden beast` number, since 5 + 1 + 6 + 1 + 0 + 1 + 0 + 0 + 1 + 651 = 666.

It is not a de Polignac number, because 516101001651 - 2¹⁸ = 516100739507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (516101001151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873990 + ... + 1340171.

It is an arithmetic number, because the mean of its divisors is an integer number (24411136050).

Almost surely, 2^516101001651 is an apocalyptic number.

516101001651 is a deficient number, since it is larger than the sum of its proper divisors (265055351949).

516101001651 is a wasteful number, since it uses less digits than its factorization.

516101001651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214356 (or 2214350 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 516101001651 in words is "five hundred sixteen billion, one hundred one million, one thousand, six hundred fifty-one".