6685901436 has 12 divisors (see below), whose sum is σ = 15600436712. Its totient is φ = 2228633808.

The previous prime is 6685901429. The next prime is 6685901449. The reversal of 6685901436 is 6341095866.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278579215 + ... + 278579238.

Almost surely, 2^6685901436 is an apocalyptic number.

It is an amenable number.

6685901436 is an abundant number, since it is smaller than the sum of its proper divisors (8914535276).

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

6685901436 is a wasteful number, since it uses less digits than its factorization.

6685901436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557158460 (or 557158458 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 6685901436 is about 81767.3616793400. The cubic root of 6685901436 is about 1883.8803808366.

The spelling of 6685901436 in words is "six billion, six hundred eighty-five million, nine hundred one thousand, four hundred thirty-six".