161606514 has 32 divisors (see below), whose sum is σ = 341544960. Its totient is φ = 50835600.

The previous prime is 161606453. The next prime is 161606519. The reversal of 161606514 is 415606161.

It is a super-2 number, since 2×161606514² = 52233330734464392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161606519) 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, 28279 + ... + 33509.

It is an arithmetic number, because the mean of its divisors is an integer number (10673280).

Almost surely, 2^161606514 is an apocalyptic number.

161606514 is an abundant number, since it is smaller than the sum of its proper divisors (179938446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161606514 is a wasteful number, since it uses less digits than its factorization.

161606514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 161606514 is about 12712.4550736669. The cubic root of 161606514 is about 544.6944548871.

The spelling of 161606514 in words is "one hundred sixty-one million, six hundred six thousand, five hundred fourteen".