161606467 has 16 divisors (see below), whose sum is σ = 179159040. Its totient is φ = 144548800.

The previous prime is 161606453. The next prime is 161606519. The reversal of 161606467 is 764606161.

161606467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161606467 - 2⁷ = 161606339 is a prime.

It is a super-2 number, since 2×161606467² = 52233300352444178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161606407) 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, 374742 + ... + 375172.

It is an arithmetic number, because the mean of its divisors is an integer number (11197440).

Almost surely, 2^161606467 is an apocalyptic number.

161606467 is a deficient number, since it is larger than the sum of its proper divisors (17552573).

161606467 is a wasteful number, since it uses less digits than its factorization.

161606467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 161606467 is about 12712.4532250860. The cubic root of 161606467 is about 544.6944020826.

The spelling of 161606467 in words is "one hundred sixty-one million, six hundred six thousand, four hundred sixty-seven".