10161665776 has 20 divisors (see below), whose sum is σ = 19750345272. Its totient is φ = 5064802496.

The previous prime is 10161665771. The next prime is 10161665819. The reversal of 10161665776 is 67756616101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161665771) 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, 996670 + ... + 1006813.

Almost surely, 2^10161665776 is an apocalyptic number.

10161665776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10161665776 is a deficient number, since it is larger than the sum of its proper divisors (9588679496).

10161665776 is a wasteful number, since it uses less digits than its factorization.

10161665776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003808 (or 2003802 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 10161665776 in words is "ten billion, one hundred sixty-one million, six hundred sixty-five thousand, seven hundred seventy-six".