234651663 has 24 divisors (see below), whose sum is σ = 363950496. Its totient is φ = 145152000.

The previous prime is 234651649. The next prime is 234651671. The reversal of 234651663 is 366156432.

234651663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 234651663 - 2⁴ = 234651647 is a prime.

It is a super-2 number, since 2×234651663² = 110122805897331138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234651643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63 + ... + 21663.

It is an arithmetic number, because the mean of its divisors is an integer number (15164604).

Almost surely, 2^234651663 is an apocalyptic number.

234651663 is a deficient number, since it is larger than the sum of its proper divisors (129298833).

234651663 is a wasteful number, since it uses less digits than its factorization.

234651663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21695 (or 21692 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 234651663 is about 15318.3440031878. The cubic root of 234651663 is about 616.7955221682.

The spelling of 234651663 in words is "two hundred thirty-four million, six hundred fifty-one thousand, six hundred sixty-three".