6151661670 has 64 divisors (see below), whose sum is σ = 18407056896. Its totient is φ = 1278266880.

The previous prime is 6151661651. The next prime is 6151661671. The reversal of 6151661670 is 761661516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6151661671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329219 + ... + 1333838.

It is an arithmetic number, because the mean of its divisors is an integer number (287610264).

Almost surely, 2^6151661670 is an apocalyptic number.

6151661670 is an abundant number, since it is smaller than the sum of its proper divisors (12255395226).

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

6151661670 is a wasteful number, since it uses less digits than its factorization.

6151661670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663085.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 6151661670 is about 78432.5294122279. The cubic root of 6151661670 is about 1832.3037932653.

The spelling of 6151661670 in words is "six billion, one hundred fifty-one million, six hundred sixty-one thousand, six hundred seventy".