161456806 has 8 divisors (see below), whose sum is σ = 276783120. Its totient is φ = 69195768.

The previous prime is 161456777. The next prime is 161456807. The reversal of 161456806 is 608654161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161456807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5766301 + ... + 5766328.

It is an arithmetic number, because the mean of its divisors is an integer number (34597890).

Almost surely, 2^161456806 is an apocalyptic number.

161456806 is a deficient number, since it is larger than the sum of its proper divisors (115326314).

161456806 is a wasteful number, since it uses less digits than its factorization.

161456806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532638.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 161456806 is about 12706.5654682924. The cubic root of 161456806 is about 544.5262060774.

The spelling of 161456806 in words is "one hundred sixty-one million, four hundred fifty-six thousand, eight hundred six".