152621663 has 4 divisors (see below), whose sum is σ = 156171048. Its totient is φ = 149072280.

The previous prime is 152621659. The next prime is 152621669. The reversal of 152621663 is 366126251.

152621663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366126251 = 239 ⋅1531909.

It is a cyclic number.

It is not a de Polignac number, because 152621663 - 2² = 152621659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152621669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774628 + ... + 1774713.

It is an arithmetic number, because the mean of its divisors is an integer number (39042762).

Almost surely, 2^152621663 is an apocalyptic number.

152621663 is a deficient number, since it is larger than the sum of its proper divisors (3549385).

152621663 is an equidigital number, since it uses as much as digits as its factorization.

152621663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549384.

The product of its digits is 12960, while the sum is 32.

The square root of 152621663 is about 12354.0140440263. The cubic root of 152621663 is about 534.4069043934.

The spelling of 152621663 in words is "one hundred fifty-two million, six hundred twenty-one thousand, six hundred sixty-three".