6677157240 has 160 divisors (see below), whose sum is σ = 24169178880. Its totient is φ = 1643597568.

The previous prime is 6677157217. The next prime is 6677157313. The reversal of 6677157240 is 427517766.

6677157240 is a `hidden beast` number, since 6 + 6 + 7 + 71 + 572 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37144 + ... + 121383.

It is an arithmetic number, because the mean of its divisors is an integer number (151057368).

Almost surely, 2^6677157240 is an apocalyptic number.

6677157240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6677157240 is an abundant number, since it is smaller than the sum of its proper divisors (17492021640).

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

6677157240 is a wasteful number, since it uses less digits than its factorization.

6677157240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158563 (or 158550 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 6677157240 is about 81713.8742197431. The cubic root of 6677157240 is about 1883.0587411462.

The spelling of 6677157240 in words is "six billion, six hundred seventy-seven million, one hundred fifty-seven thousand, two hundred forty".