2150664517506 has 32 divisors (see below), whose sum is σ = 4382735957568. Its totient is φ = 703321894080.

The previous prime is 2150664517501. The next prime is 2150664517633. The reversal of 2150664517506 is 6057154660512.

It is not an unprimeable number, because it can be changed into a prime (2150664517501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5676276 + ... + 6043296.

It is an arithmetic number, because the mean of its divisors is an integer number (136960498674).

Almost surely, 2^{2150664517506} is an apocalyptic number.

2150664517506 is an abundant number, since it is smaller than the sum of its proper divisors (2232071440062).

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

2150664517506 is a wasteful number, since it uses less digits than its factorization.

2150664517506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385506.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 2150664517506 in words is "two trillion, one hundred fifty billion, six hundred sixty-four million, five hundred seventeen thousand, five hundred six".