2991925266 has 16 divisors (see below), whose sum is σ = 6527837088. Its totient is φ = 906644000.

The previous prime is 2991925259. The next prime is 2991925283. The reversal of 2991925266 is 6625291992.

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, 22666035 + ... + 22666166.

It is an arithmetic number, because the mean of its divisors is an integer number (407989818).

Almost surely, 2^2991925266 is an apocalyptic number.

2991925266 is an abundant number, since it is smaller than the sum of its proper divisors (3535911822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2991925266 is a wasteful number, since it uses less digits than its factorization.

2991925266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45332217.

The product of its digits is 1049760, while the sum is 51.

The square root of 2991925266 is about 54698.4941840267. The cubic root of 2991925266 is about 1440.9544318848.

The spelling of 2991925266 in words is "two billion, nine hundred ninety-one million, nine hundred twenty-five thousand, two hundred sixty-six".