660374436 has 24 divisors (see below), whose sum is σ = 1607868864. Its totient is φ = 210554080.

The previous prime is 660374423. The next prime is 660374441. The reversal of 660374436 is 634473066.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 660374394 and 660374403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196055 + ... + 1196606.

It is an arithmetic number, because the mean of its divisors is an integer number (66994536).

Almost surely, 2^660374436 is an apocalyptic number.

It is an amenable number.

660374436 is an abundant number, since it is smaller than the sum of its proper divisors (947494428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660374436 is a wasteful number, since it uses less digits than its factorization.

660374436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392691 (or 2392689 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 39.

The square root of 660374436 is about 25697.7515747974. The cubic root of 660374436 is about 870.8233874788.

The spelling of 660374436 in words is "six hundred sixty million, three hundred seventy-four thousand, four hundred thirty-six".