607812661 has 8 divisors (see below), whose sum is σ = 611846144. Its totient is φ = 603786960.

The previous prime is 607812637. The next prime is 607812671. The reversal of 607812661 is 166218706.

607812661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 607812661 - 2¹³ = 607804469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 607812661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607812671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282556 + ... + 284698.

It is an arithmetic number, because the mean of its divisors is an integer number (76480768).

Almost surely, 2^607812661 is an apocalyptic number.

It is an amenable number.

607812661 is a deficient number, since it is larger than the sum of its proper divisors (4033483).

607812661 is a wasteful number, since it uses less digits than its factorization.

607812661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 607812661 is about 24653.8569193544. The cubic root of 607812661 is about 847.0776975011.

The spelling of 607812661 in words is "six hundred seven million, eight hundred twelve thousand, six hundred sixty-one".