6992169057 has 6 divisors (see below), whose sum is σ = 10099799762. Its totient is φ = 4661446032.

The previous prime is 6992169053. The next prime is 6992169061. The reversal of 6992169057 is 7509612996.

It is an interprime number because it is at equal distance from previous prime (6992169053) and next prime (6992169061).

It can be written as a sum of positive squares in only one way, i.e., 5857759296 + 1134409761 = 76536^2 + 33681^2 .

It is not a de Polignac number, because 6992169057 - 2² = 6992169053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6992168994 and 6992169012.

It is not an unprimeable number, because it can be changed into a prime (6992169053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388453828 + ... + 388453845.

Almost surely, 2^6992169057 is an apocalyptic number.

It is an amenable number.

6992169057 is a deficient number, since it is larger than the sum of its proper divisors (3107630705).

6992169057 is a wasteful number, since it uses less digits than its factorization.

6992169057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776907679 (or 776907676 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 6992169057 is about 83619.1907219868. The cubic root of 6992169057 is about 1912.2175806475.

The spelling of 6992169057 in words is "six billion, nine hundred ninety-two million, one hundred sixty-nine thousand, fifty-seven".