2966644213557 has 8 divisors (see below), whose sum is σ = 3958623137376. Its totient is φ = 1976214049392.

The previous prime is 2966644213537. The next prime is 2966644213583. The reversal of 2966644213557 is 7553124466692.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2966644213557 - 2¹⁶ = 2966644148021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2966644213557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2966644213537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387185443 + ... + 387193104.

It is an arithmetic number, because the mean of its divisors is an integer number (494827892172).

Almost surely, 2^{2966644213557} is an apocalyptic number.

It is an amenable number.

2966644213557 is a deficient number, since it is larger than the sum of its proper divisors (991978923819).

2966644213557 is a wasteful number, since it uses less digits than its factorization.

2966644213557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774379827.

The product of its digits is 65318400, while the sum is 60.

The spelling of 2966644213557 in words is "two trillion, nine hundred sixty-six billion, six hundred forty-four million, two hundred thirteen thousand, five hundred fifty-seven".