2651615998 has 8 divisors (see below), whose sum is σ = 3979582992. Its totient is φ = 1325088336.

The previous prime is 2651615971. The next prime is 2651616007. The reversal of 2651615998 is 8995161562.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355215 + ... + 362602.

It is an arithmetic number, because the mean of its divisors is an integer number (497447874).

Almost surely, 2^2651615998 is an apocalyptic number.

2651615998 is a deficient number, since it is larger than the sum of its proper divisors (1327966994).

2651615998 is a wasteful number, since it uses less digits than its factorization.

2651615998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719666.

The product of its digits is 1166400, while the sum is 52.

The square root of 2651615998 is about 51493.8442728837. The cubic root of 2651615998 is about 1384.1087373635.

The spelling of 2651615998 in words is "two billion, six hundred fifty-one million, six hundred fifteen thousand, nine hundred ninety-eight".