461600172343261 has 16 divisors (see below), whose sum is σ = 532205400109824. Its totient is φ = 392173954343424.

The previous prime is 461600172343217. The next prime is 461600172343273. The reversal of 461600172343261 is 162343271006164.

It is a cyclic number.

It is not a de Polignac number, because 461600172343261 - 2³³ = 461591582408669 is a prime.

It is a super-2 number, since 2×461600172343261² (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 (461600172344261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558889830 + ... + 559715143.

It is an arithmetic number, because the mean of its divisors is an integer number (33262837506864).

Almost surely, 2^{461600172343261} is an apocalyptic number.

It is an amenable number.

461600172343261 is a deficient number, since it is larger than the sum of its proper divisors (70605227766563).

461600172343261 is a wasteful number, since it uses less digits than its factorization.

461600172343261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118605500.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 461600172343261 in words is "four hundred sixty-one trillion, six hundred billion, one hundred seventy-two million, three hundred forty-three thousand, two hundred sixty-one".