6157644662 has 32 divisors (see below), whose sum is σ = 10042536000. Its totient is φ = 2814818688.

The previous prime is 6157644653. The next prime is 6157644721. The reversal of 6157644662 is 2664467516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182248 + ... + 1187444.

It is an arithmetic number, because the mean of its divisors is an integer number (313829250).

Almost surely, 2^6157644662 is an apocalyptic number.

6157644662 is a deficient number, since it is larger than the sum of its proper divisors (3884891338).

6157644662 is a wasteful number, since it uses less digits than its factorization.

6157644662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640.

The product of its digits is 1451520, while the sum is 47.

The square root of 6157644662 is about 78470.6611543448. The cubic root of 6157644662 is about 1832.8976223485.

The spelling of 6157644662 in words is "six billion, one hundred fifty-seven million, six hundred forty-four thousand, six hundred sixty-two".