152661706 has 8 divisors (see below), whose sum is σ = 229118724. Its totient is φ = 76288800.

The previous prime is 152661689. The next prime is 152661721. The reversal of 152661706 is 607166251.

It is a happy number.

152661706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 145323025 + 7338681 = 12055^2 + 2709^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16275 + ... + 23878.

Almost surely, 2^152661706 is an apocalyptic number.

152661706 is a deficient number, since it is larger than the sum of its proper divisors (76457018).

152661706 is a wasteful number, since it uses less digits than its factorization.

152661706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42056.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 152661706 is about 12355.6345850790. The cubic root of 152661706 is about 534.4536373495.

The spelling of 152661706 in words is "one hundred fifty-two million, six hundred sixty-one thousand, seven hundred six".