996173667 has 64 divisors (see below), whose sum is σ = 1662336000. Its totient is φ = 585874944.

The previous prime is 996173639. The next prime is 996173671. The reversal of 996173667 is 766371699.

It is not a de Polignac number, because 996173667 - 2¹⁶ = 996108131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (996173467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 897709 + ... + 898817.

It is an arithmetic number, because the mean of its divisors is an integer number (25974000).

Almost surely, 2^996173667 is an apocalyptic number.

996173667 is the 19962-nd heptagonal number.

996173667 is a deficient number, since it is larger than the sum of its proper divisors (666162333).

996173667 is a wasteful number, since it uses less digits than its factorization.

996173667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1251 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 996173667 is about 31562.2189809272. The cubic root of 996173667 is about 998.7229254415.

The spelling of 996173667 in words is "nine hundred ninety-six million, one hundred seventy-three thousand, six hundred sixty-seven".