4611057751666 has 4 divisors (see below), whose sum is σ = 6916586627502. Its totient is φ = 2305528875832.

The previous prime is 4611057751627. The next prime is 4611057751667. The reversal of 4611057751666 is 6661577501164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3612299366025 + 998758385641 = 1900605^2 + 999379^2 .

It is not an unprimeable number, because it can be changed into a prime (4611057751667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152764437915 + ... + 1152764437918.

Almost surely, 2^{4611057751666} is an apocalyptic number.

4611057751666 is a deficient number, since it is larger than the sum of its proper divisors (2305528875836).

4611057751666 is a wasteful number, since it uses less digits than its factorization.

4611057751666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305528875835.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 4611057751666 in words is "four trillion, six hundred eleven billion, fifty-seven million, seven hundred fifty-one thousand, six hundred sixty-six".