2261373516 has 36 divisors (see below), whose sum is σ = 5717712000. Its totient is φ = 753598368.

The previous prime is 2261373509. The next prime is 2261373577. The reversal of 2261373516 is 6153731622.

2261373516 is a `hidden beast` number, since 2 + 2 + 6 + 137 + 3 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2261373516² = 10227620357732404512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237210 + ... + 246558.

Almost surely, 2^2261373516 is an apocalyptic number.

It is an amenable number.

2261373516 is an abundant number, since it is smaller than the sum of its proper divisors (3456338484).

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

2261373516 is a wasteful number, since it uses less digits than its factorization.

2261373516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16078 (or 16073 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2261373516 is about 47553.9011648887. The cubic root of 2261373516 is about 1312.5749164312.

The spelling of 2261373516 in words is "two billion, two hundred sixty-one million, three hundred seventy-three thousand, five hundred sixteen".