2666752146 has 40 divisors (see below), whose sum is σ = 5998316544. Its totient is φ = 885523320.

The previous prime is 2666752133. The next prime is 2666752147. The reversal of 2666752146 is 6412576662.

It is a super-2 number, since 2×2666752146² = 14223134016391210632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666752147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11311 + ... + 73901.

Almost surely, 2^2666752146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666752146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2999158272).

2666752146 is an abundant number, since it is smaller than the sum of its proper divisors (3331564398).

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

2666752146 is a wasteful number, since it uses less digits than its factorization.

2666752146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62868 (or 62859 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 2666752146 is about 51640.6055928859. The cubic root of 2666752146 is about 1386.7373655578.

The spelling of 2666752146 in words is "two billion, six hundred sixty-six million, seven hundred fifty-two thousand, one hundred forty-six".