768161667 has 32 divisors (see below), whose sum is σ = 1272402432. Its totient is φ = 401382144.

The previous prime is 768161663. The next prime is 768161671. The reversal of 768161667 is 766161867.

It is an interprime number because it is at equal distance from previous prime (768161663) and next prime (768161671).

It is not a de Polignac number, because 768161667 - 2² = 768161663 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (768161663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16063 + ... + 42359.

It is an arithmetic number, because the mean of its divisors is an integer number (39762576).

Almost surely, 2^768161667 is an apocalyptic number.

768161667 is a deficient number, since it is larger than the sum of its proper divisors (504240765).

768161667 is a wasteful number, since it uses less digits than its factorization.

768161667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26427.

The product of its digits is 508032, while the sum is 48.

The square root of 768161667 is about 27715.7295953038. The cubic root of 768161667 is about 915.8356473529.

The spelling of 768161667 in words is "seven hundred sixty-eight million, one hundred sixty-one thousand, six hundred sixty-seven".