6614660940 has 96 divisors (see below), whose sum is σ = 19046919360. Its totient is φ = 1713954816.

The previous prime is 6614660911. The next prime is 6614660959. The reversal of 6614660940 is 490664166.

It is a junction number, because it is equal to n+sod(n) for n = 6614660892 and 6614660901.

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, 2238504 + ... + 2241456.

It is an arithmetic number, because the mean of its divisors is an integer number (198405410).

Almost surely, 2^6614660940 is an apocalyptic number.

6614660940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6614660940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9523459680).

6614660940 is an abundant number, since it is smaller than the sum of its proper divisors (12432258420).

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

6614660940 is a wasteful number, since it uses less digits than its factorization.

6614660940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 6614660940 is about 81330.5658408940. The cubic root of 6614660940 is about 1877.1653504635.

The spelling of 6614660940 in words is "six billion, six hundred fourteen million, six hundred sixty thousand, nine hundred forty".