161166797 has 16 divisors (see below), whose sum is σ = 186630720. Its totient is φ = 138782160.

The previous prime is 161166793. The next prime is 161166809. The reversal of 161166797 is 797661161.

It is not a de Polignac number, because 161166797 - 2² = 161166793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161166791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22103 + ... + 28475.

It is an arithmetic number, because the mean of its divisors is an integer number (11664420).

Almost surely, 2^161166797 is an apocalyptic number.

It is an amenable number.

161166797 is a deficient number, since it is larger than the sum of its proper divisors (25463923).

161166797 is an equidigital number, since it uses as much as digits as its factorization.

161166797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6403 counting only the distinct ones).

The product of its digits is 95256, while the sum is 44.

The square root of 161166797 is about 12695.1485615569. The cubic root of 161166797 is about 544.1999843685.

The spelling of 161166797 in words is "one hundred sixty-one million, one hundred sixty-six thousand, seven hundred ninety-seven".