7628216155 has 16 divisors (see below), whose sum is σ = 10522033344. Its totient is φ = 5200536960.

The previous prime is 7628216119. The next prime is 7628216161. The reversal of 7628216155 is 5516128267.

It is not a de Polignac number, because 7628216155 - 2⁷ = 7628216027 is a prime.

It is a Duffinian 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, 623856 + ... + 635965.

It is an arithmetic number, because the mean of its divisors is an integer number (657627084).

Almost surely, 2^7628216155 is an apocalyptic number.

7628216155 is a deficient number, since it is larger than the sum of its proper divisors (2893817189).

7628216155 is a wasteful number, since it uses less digits than its factorization.

7628216155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260006.

The product of its digits is 201600, while the sum is 43.

The square root of 7628216155 is about 87339.6596913453. The cubic root of 7628216155 is about 1968.5252823818.

The spelling of 7628216155 in words is "seven billion, six hundred twenty-eight million, two hundred sixteen thousand, one hundred fifty-five".