6159632640 has 144 divisors (see below), whose sum is σ = 22482757248. Its totient is φ = 1407909888.

The previous prime is 6159632639. The next prime is 6159632669. The reversal of 6159632640 is 462369516.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6159632592 and 6159632601.

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, 87697 + ... + 141456.

Almost surely, 2^6159632640 is an apocalyptic number.

6159632640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6159632640 is an abundant number, since it is smaller than the sum of its proper divisors (16323124608).

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

6159632640 is a wasteful number, since it uses less digits than its factorization.

6159632640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229184 (or 229170 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 6159632640 is about 78483.3271465985. The cubic root of 6159632640 is about 1833.0948497135.

The spelling of 6159632640 in words is "six billion, one hundred fifty-nine million, six hundred thirty-two thousand, six hundred forty".