152603661 has 16 divisors (see below), whose sum is σ = 233017344. Its totient is φ = 87022704.

The previous prime is 152603641. The next prime is 152603683. The reversal of 152603661 is 166306251.

It is not a de Polignac number, because 152603661 - 2⁵ = 152603629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152603621) 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, 3340 + ... + 17786.

It is an arithmetic number, because the mean of its divisors is an integer number (14563584).

Almost surely, 2^152603661 is an apocalyptic number.

It is an amenable number.

152603661 is a deficient number, since it is larger than the sum of its proper divisors (80413683).

152603661 is a wasteful number, since it uses less digits than its factorization.

152603661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14960.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 152603661 is about 12353.2854334383. The cubic root of 152603661 is about 534.3858921483.

The spelling of 152603661 in words is "one hundred fifty-two million, six hundred three thousand, six hundred sixty-one".