3041781666 has 64 divisors (see below), whose sum is σ = 7688687616. Its totient is φ = 779241600.

The previous prime is 3041781643. The next prime is 3041781689. The reversal of 3041781666 is 6661871403.

It is an interprime number because it is at equal distance from previous prime (3041781643) and next prime (3041781689).

It is a super-2 number, since 2×3041781666² = 18504871407227471112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11370 + ... + 78821.

It is an arithmetic number, because the mean of its divisors is an integer number (120135744).

Almost surely, 2^3041781666 is an apocalyptic number.

3041781666 is an abundant number, since it is smaller than the sum of its proper divisors (4646905950).

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

3041781666 is a wasteful number, since it uses less digits than its factorization.

3041781666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90287.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 3041781666 is about 55152.3495963681. The cubic root of 3041781666 is about 1448.9142352961.

The spelling of 3041781666 in words is "three billion, forty-one million, seven hundred eighty-one thousand, six hundred sixty-six".