1166262215254 has 8 divisors (see below), whose sum is σ = 1750128060528. Its totient is φ = 582886195080.

The previous prime is 1166262215243. The next prime is 1166262215267. The reversal of 1166262215254 is 4525122626611.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1166262215254.

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, 122450322 + ... + 122459845.

It is an arithmetic number, because the mean of its divisors is an integer number (218766007566).

Almost surely, 2^{1166262215254} is an apocalyptic number.

1166262215254 is a deficient number, since it is larger than the sum of its proper divisors (583865845274).

1166262215254 is a wasteful number, since it uses less digits than its factorization.

1166262215254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244912550.

The product of its digits is 345600, while the sum is 43.

The spelling of 1166262215254 in words is "one trillion, one hundred sixty-six billion, two hundred sixty-two million, two hundred fifteen thousand, two hundred fifty-four".