1630816967695 has 4 divisors (see below), whose sum is σ = 1956980361240. Its totient is φ = 1304653574152.

The previous prime is 1630816967687. The next prime is 1630816967749. The reversal of 1630816967695 is 5967696180361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1630816967695 - 2³ = 1630816967687 is a prime.

It is a super-2 number, since 2×1630816967695² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1630816967695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163081696765 + ... + 163081696774.

It is an arithmetic number, because the mean of its divisors is an integer number (489245090310).

Almost surely, 2^{1630816967695} is an apocalyptic number.

1630816967695 is a deficient number, since it is larger than the sum of its proper divisors (326163393545).

1630816967695 is an equidigital number, since it uses as much as digits as its factorization.

1630816967695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326163393544.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 1630816967695 in words is "one trillion, six hundred thirty billion, eight hundred sixteen million, nine hundred sixty-seven thousand, six hundred ninety-five".