2150121566 has 8 divisors (see below), whose sum is σ = 3248724240. Its totient is φ = 1067213488.

The previous prime is 2150121553. The next prime is 2150121577. The reversal of 2150121566 is 6651210512.

It is a happy number.

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, 3923306 + ... + 3923853.

It is an arithmetic number, because the mean of its divisors is an integer number (406090530).

Almost surely, 2^2150121566 is an apocalyptic number.

2150121566 is a deficient number, since it is larger than the sum of its proper divisors (1098602674).

2150121566 is a wasteful number, since it uses less digits than its factorization.

2150121566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847298.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2150121566 is about 46369.4033388397. The cubic root of 2150121566 is about 1290.6872059092.

The spelling of 2150121566 in words is "two billion, one hundred fifty million, one hundred twenty-one thousand, five hundred sixty-six".