2651605001066 has 8 divisors (see below), whose sum is σ = 4545608573280. Its totient is φ = 1136402143308.

The previous prime is 2651605001053. The next prime is 2651605001239. The reversal of 2651605001066 is 6601005061562.

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

It is a super-2 number, since 2×2651605001066² (a number of 26 digits) contains 22 as substring.

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, 94700178596 + ... + 94700178623.

It is an arithmetic number, because the mean of its divisors is an integer number (568201071660).

Almost surely, 2^{2651605001066} is an apocalyptic number.

2651605001066 is a deficient number, since it is larger than the sum of its proper divisors (1894003572214).

2651605001066 is a wasteful number, since it uses less digits than its factorization.

2651605001066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189400357228.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 2651605001066 in words is "two trillion, six hundred fifty-one billion, six hundred five million, one thousand, sixty-six".