2661000546 has 16 divisors (see below), whose sum is σ = 5322608064. Its totient is φ = 886899024.

The previous prime is 2661000539. The next prime is 2661000553. The reversal of 2661000546 is 6450001662.

It is an interprime number because it is at equal distance from previous prime (2661000539) and next prime (2661000553).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48076 + ... + 87368.

It is an arithmetic number, because the mean of its divisors is an integer number (332663004).

Almost surely, 2^2661000546 is an apocalyptic number.

2661000546 is an abundant number, since it is smaller than the sum of its proper divisors (2661607518).

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

2661000546 is a wasteful number, since it uses less digits than its factorization.

2661000546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50585.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2661000546 is about 51584.8867983637. The cubic root of 2661000546 is about 1385.7396850827.

The spelling of 2661000546 in words is "two billion, six hundred sixty-one million, five hundred forty-six", and thus it is an aban number.