6650061655140 has 96 divisors (see below), whose sum is σ = 20696854268160. Its totient is φ = 1772683469568.

The previous prime is 6650061655129. The next prime is 6650061655213. The reversal of 6650061655140 is 415561600566.

6650061655140 is a `hidden beast` number, since 6 + 6 + 50 + 0 + 6 + 1 + 6 + 551 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 874209 + ... + 3750248.

It is an arithmetic number, because the mean of its divisors is an integer number (215592231960).

Almost surely, 2^{6650061655140} is an apocalyptic number.

6650061655140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6650061655140 is an abundant number, since it is smaller than the sum of its proper divisors (14046792613020).

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

6650061655140 is a wasteful number, since it uses less digits than its factorization.

6650061655140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627138 (or 4627130 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 6650061655140 in words is "six trillion, six hundred fifty billion, sixty-one million, six hundred fifty-five thousand, one hundred forty".