6151326720 has 528 divisors, whose sum is σ = 25001042688. Its totient is φ = 1276477440.

The previous prime is 6151326691. The next prime is 6151326721. The reversal of 6151326720 is 276231516.

It is a tau number, because it is divible by the number of its divisors (528).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6151326721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8278669 + ... + 8279411.

Almost surely, 2^6151326720 is an apocalyptic number.

6151326720 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 6151326720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12500521344).

6151326720 is an abundant number, since it is smaller than the sum of its proper divisors (18849715968).

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

6151326720 is a wasteful number, since it uses less digits than its factorization.

6151326720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6151326720 is about 78430.3941084067. The cubic root of 6151326720 is about 1832.2705371400.

The spelling of 6151326720 in words is "six billion, one hundred fifty-one million, three hundred twenty-six thousand, seven hundred twenty".