661483039 has 16 divisors (see below), whose sum is σ = 803919168. Its totient is φ = 531320832.

The previous prime is 661483033. The next prime is 661483057. The reversal of 661483039 is 930384166.

It is not a de Polignac number, because 661483039 - 2²⁷ = 527265311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 661482992 and 661483010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (661483033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15799 + ... + 39655.

It is an arithmetic number, because the mean of its divisors is an integer number (50244948).

Almost surely, 2^661483039 is an apocalyptic number.

661483039 is a deficient number, since it is larger than the sum of its proper divisors (142436129).

661483039 is a wasteful number, since it uses less digits than its factorization.

661483039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24114.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 661483039 is about 25719.3125685738. The cubic root of 661483039 is about 871.3104130461.

The spelling of 661483039 in words is "six hundred sixty-one million, four hundred eighty-three thousand, thirty-nine".