161477526775 has 6 divisors (see below), whose sum is σ = 200232133232. Its totient is φ = 129182021400.

The previous prime is 161477526767. The next prime is 161477526829. The reversal of 161477526775 is 577625774161.

It is not a de Polignac number, because 161477526775 - 2³ = 161477526767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3229550511 + ... + 3229550560.

Almost surely, 2^161477526775 is an apocalyptic number.

161477526775 is a deficient number, since it is larger than the sum of its proper divisors (38754606457).

161477526775 is an equidigital number, since it uses as much as digits as its factorization.

161477526775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459101081 (or 6459101076 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 58.

The spelling of 161477526775 in words is "one hundred sixty-one billion, four hundred seventy-seven million, five hundred twenty-six thousand, seven hundred seventy-five".