861290162313 has 16 divisors (see below), whose sum is σ = 1354778996736. Its totient is φ = 476289490320.

The previous prime is 861290162297. The next prime is 861290162321. The reversal of 861290162313 is 313261092168.

It is not a de Polignac number, because 861290162313 - 2⁴ = 861290162297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (861290162113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661512531 + ... + 661513832.

It is an arithmetic number, because the mean of its divisors is an integer number (84673687296).

Almost surely, 2^861290162313 is an apocalyptic number.

It is an amenable number.

861290162313 is a deficient number, since it is larger than the sum of its proper divisors (493488834423).

861290162313 is a wasteful number, since it uses less digits than its factorization.

861290162313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323026404.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 861290162313 in words is "eight hundred sixty-one billion, two hundred ninety million, one hundred sixty-two thousand, three hundred thirteen".