161063632774 has 8 divisors (see below), whose sum is σ = 263558671848. Its totient is φ = 73210742160.

The previous prime is 161063632753. The next prime is 161063632801. The reversal of 161063632774 is 477236360161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3660537087 + ... + 3660537130.

It is an arithmetic number, because the mean of its divisors is an integer number (32944833981).

Almost surely, 2^161063632774 is an apocalyptic number.

161063632774 is a deficient number, since it is larger than the sum of its proper divisors (102495039074).

161063632774 is a wasteful number, since it uses less digits than its factorization.

161063632774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321074230.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 161063632774 in words is "one hundred sixty-one billion, sixty-three million, six hundred thirty-two thousand, seven hundred seventy-four".