2316146640 has 160 divisors (see below), whose sum is σ = 7746575616. Its totient is φ = 570286080.

The previous prime is 2316146639. The next prime is 2316146653. The reversal of 2316146640 is 466416132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210885 + ... + 221595.

Almost surely, 2^2316146640 is an apocalyptic number.

2316146640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2316146640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3873287808).

2316146640 is an abundant number, since it is smaller than the sum of its proper divisors (5430428976).

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

2316146640 is a wasteful number, since it uses less digits than its factorization.

2316146640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10797 (or 10791 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2316146640 is about 48126.3611755553. The cubic root of 2316146640 is about 1323.0878582183.

The spelling of 2316146640 in words is "two billion, three hundred sixteen million, one hundred forty-six thousand, six hundred forty".