160665742 has 16 divisors (see below), whose sum is σ = 263975760. Its totient is φ = 72999808.

The previous prime is 160665733. The next prime is 160665749. The reversal of 160665742 is 247566061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160665749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80488 + ... + 82459.

It is an arithmetic number, because the mean of its divisors is an integer number (16498485).

Almost surely, 2^160665742 is an apocalyptic number.

160665742 is a deficient number, since it is larger than the sum of its proper divisors (103310018).

160665742 is a wasteful number, since it uses less digits than its factorization.

160665742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162995.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 160665742 is about 12675.3990864193. The cubic root of 160665742 is about 543.6354404891.

The spelling of 160665742 in words is "one hundred sixty million, six hundred sixty-five thousand, seven hundred forty-two".