261163062 has 16 divisors (see below), whose sum is σ = 580362480. Its totient is φ = 87054336.

The previous prime is 261163043. The next prime is 261163093. The reversal of 261163062 is 260361162.

261163062 is a `hidden beast` number, since 26 + 1 + 1 + 630 + 6 + 2 = 666.

It is a super-2 number, since 2×261163062² = 136412289906431688, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418123 + ... + 2418230.

It is an arithmetic number, because the mean of its divisors is an integer number (36272655).

Almost surely, 2^261163062 is an apocalyptic number.

261163062 is an abundant number, since it is smaller than the sum of its proper divisors (319199418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261163062 is a wasteful number, since it uses less digits than its factorization.

261163062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836364 (or 4836358 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 261163062 is about 16160.5402756220. The cubic root of 261163062 is about 639.2007128088.

The spelling of 261163062 in words is "two hundred sixty-one million, one hundred sixty-three thousand, sixty-two".