461601566073615 has 24 divisors (see below), whose sum is σ = 811808374056624. Its totient is φ = 223806819913600.

The previous prime is 461601566073601. The next prime is 461601566073617. The reversal of 461601566073615 is 516370665106164.

It is not a de Polignac number, because 461601566073615 - 2¹⁸ = 461601565811471 is a prime.

It is a super-2 number, since 2×461601566073615² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461601566073617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127162964046 + ... + 127162967675.

It is an arithmetic number, because the mean of its divisors is an integer number (33825348919026).

Almost surely, 2^{461601566073615} is an apocalyptic number.

461601566073615 is a deficient number, since it is larger than the sum of its proper divisors (350206807983009).

461601566073615 is a wasteful number, since it uses less digits than its factorization.

461601566073615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254325931751 (or 254325931740 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 461601566073615 in words is "four hundred sixty-one trillion, six hundred one billion, five hundred sixty-six million, seventy-three thousand, six hundred fifteen".