6516154442 has 8 divisors (see below), whose sum is σ = 11170550496. Its totient is φ = 2792637612.

The previous prime is 6516154423. The next prime is 6516154453. The reversal of 6516154442 is 2444516156.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 6516154396 and 6516154405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232719788 + ... + 232719815.

It is an arithmetic number, because the mean of its divisors is an integer number (1396318812).

Almost surely, 2^6516154442 is an apocalyptic number.

6516154442 is a deficient number, since it is larger than the sum of its proper divisors (4654396054).

6516154442 is a wasteful number, since it uses less digits than its factorization.

6516154442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465439612.

The product of its digits is 115200, while the sum is 38.

The square root of 6516154442 is about 80722.7009087283. The cubic root of 6516154442 is about 1867.8003669249.

The spelling of 6516154442 in words is "six billion, five hundred sixteen million, one hundred fifty-four thousand, four hundred forty-two".