2994166493956 has 27 divisors (see below), whose sum is σ = 5759513321653. Its totient is φ = 1360967466320.

The previous prime is 2994166493951. The next prime is 2994166493977. The reversal of 2994166493956 is 6593946614992.

The square root of 2994166493956 is 1730366.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2789334216900 + 204832277056 = 1670130^2 + 452584^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2994166493951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38028726 + ... + 38107378.

Almost surely, 2^{2994166493956} is an apocalyptic number.

2994166493956 is the 1730366-th square number.

It is an amenable number.

2994166493956 is a deficient number, since it is larger than the sum of its proper divisors (2765346827697).

2994166493956 is an frugal number, since it uses more digits than its factorization.

2994166493956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157332 (or 78666 counting only the distinct ones).

The product of its digits is 680244480, while the sum is 73.

The spelling of 2994166493956 in words is "two trillion, nine hundred ninety-four billion, one hundred sixty-six million, four hundred ninety-three thousand, nine hundred fifty-six".