261562731203462 has 16 divisors (see below), whose sum is σ = 432350561060880. Its totient is φ = 117913789379232.

The previous prime is 261562731203461. The next prime is 261562731203471. The reversal of 261562731203462 is 264302137265162.

It is a super-2 number, since 2×261562731203462² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 261562731203462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261562731203461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116977964537 + ... + 116977966772.

It is an arithmetic number, because the mean of its divisors is an integer number (27021910066305).

Almost surely, 2^{261562731203462} is an apocalyptic number.

261562731203462 is a deficient number, since it is larger than the sum of its proper divisors (170787829857418).

261562731203462 is a wasteful number, since it uses less digits than its factorization.

261562731203462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233955931367.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 261562731203462 in words is "two hundred sixty-one trillion, five hundred sixty-two billion, seven hundred thirty-one million, two hundred three thousand, four hundred sixty-two".