151161665 has 8 divisors (see below), whose sum is σ = 182208768. Its totient is φ = 120386160.

The previous prime is 151161649. The next prime is 151161677. The reversal of 151161665 is 566161151.

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

It is not a de Polignac number, because 151161665 - 2⁴ = 151161649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66671 + ... + 68900.

It is an arithmetic number, because the mean of its divisors is an integer number (22776096).

Almost surely, 2^151161665 is an apocalyptic number.

It is an amenable number.

151161665 is a deficient number, since it is larger than the sum of its proper divisors (31047103).

151161665 is a wasteful number, since it uses less digits than its factorization.

151161665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135799.

The product of its digits is 5400, while the sum is 32.

The square root of 151161665 is about 12294.7820232813. The cubic root of 151161665 is about 532.6973736951.

The spelling of 151161665 in words is "one hundred fifty-one million, one hundred sixty-one thousand, six hundred sixty-five".