6540892616 has 32 divisors (see below), whose sum is σ = 12929172480. Its totient is φ = 3097603200.

The previous prime is 6540892607. The next prime is 6540892619. The reversal of 6540892616 is 6162980456.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (6540892619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268925 + ... + 292236.

It is an arithmetic number, because the mean of its divisors is an integer number (404036640).

Almost surely, 2^6540892616 is an apocalyptic number.

It is an amenable number.

6540892616 is a deficient number, since it is larger than the sum of its proper divisors (6388279864).

6540892616 is a wasteful number, since it uses less digits than its factorization.

6540892616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561245 (or 561241 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 6540892616 is about 80875.7851028353. The cubic root of 6540892616 is about 1870.1610445917.

The spelling of 6540892616 in words is "six billion, five hundred forty million, eight hundred ninety-two thousand, six hundred sixteen".