260001616 has 20 divisors (see below), whose sum is σ = 575718112. Its totient is φ = 111429216.

The previous prime is 260001611. The next prime is 260001629. The reversal of 260001616 is 616100062.

It is a super-2 number, since 2×260001616² = 135201680645222912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260001611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160610 + ... + 1160833.

Almost surely, 2^260001616 is an apocalyptic number.

It is an amenable number.

260001616 is an abundant number, since it is smaller than the sum of its proper divisors (315716496).

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

260001616 is a wasteful number, since it uses less digits than its factorization.

260001616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321458 (or 2321452 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 260001616 is about 16124.5656065520. The cubic root of 260001616 is about 638.2517522072.

Adding to 260001616 its reverse (616100062), we get a palindrome (876101678).

The spelling of 260001616 in words is "two hundred sixty million, one thousand, six hundred sixteen".