815391566030 has 16 divisors (see below), whose sum is σ = 1467762463440. Its totient is φ = 326143816512.

The previous prime is 815391566029. The next prime is 815391566047. The reversal of 815391566030 is 30665193518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331735 + ... + 1845074.

It is an arithmetic number, because the mean of its divisors is an integer number (91735153965).

Almost surely, 2^815391566030 is an apocalyptic number.

815391566030 is a deficient number, since it is larger than the sum of its proper divisors (652370897410).

815391566030 is a wasteful number, since it uses less digits than its factorization.

815391566030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202483.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 815391566030 in words is "eight hundred fifteen billion, three hundred ninety-one million, five hundred sixty-six thousand, thirty".