610664463 has 24 divisors (see below), whose sum is σ = 951591888. Its totient is φ = 375927552.

The previous prime is 610664441. The next prime is 610664471. The reversal of 610664463 is 364466016.

610664463 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 644 + 6 + 3 = 666.

It is not a de Polignac number, because 610664463 - 2⁶ = 610664399 is a prime.

It is a super-2 number, since 2×610664463² = 745822172742156738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610664363) 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, 29545 + ... + 45762.

It is an arithmetic number, because the mean of its divisors is an integer number (39649662).

Almost surely, 2^610664463 is an apocalyptic number.

610664463 is a deficient number, since it is larger than the sum of its proper divisors (340927425).

610664463 is a wasteful number, since it uses less digits than its factorization.

610664463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75383 (or 75380 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 610664463 is about 24711.6260695244. The cubic root of 610664463 is about 848.4004348978.

The spelling of 610664463 in words is "six hundred ten million, six hundred sixty-four thousand, four hundred sixty-three".