6251161042 has 8 divisors (see below), whose sum is σ = 10716276096. Its totient is φ = 2679069012.

The previous prime is 6251161031. The next prime is 6251161043. The reversal of 6251161042 is 2401611526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6251161042.

It is not an unprimeable number, because it can be changed into a prime (6251161043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223255738 + ... + 223255765.

It is an arithmetic number, because the mean of its divisors is an integer number (1339534512).

Almost surely, 2^6251161042 is an apocalyptic number.

6251161042 is a deficient number, since it is larger than the sum of its proper divisors (4465115054).

6251161042 is a wasteful number, since it uses less digits than its factorization.

6251161042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446511512.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 6251161042 is about 79064.2842375747. The cubic root of 6251161042 is about 1842.1298039993.

Adding to 6251161042 its reverse (2401611526), we get a palindrome (8652772568).

The spelling of 6251161042 in words is "six billion, two hundred fifty-one million, one hundred sixty-one thousand, forty-two".