2157335611066 has 8 divisors (see below), whose sum is σ = 3236009948064. Its totient is φ = 1078665628380.

The previous prime is 2157335611043. The next prime is 2157335611157. The reversal of 2157335611066 is 6601165337512.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817651 + ... + 2232313.

It is an arithmetic number, because the mean of its divisors is an integer number (404501243508).

Almost surely, 2^{2157335611066} is an apocalyptic number.

2157335611066 is a deficient number, since it is larger than the sum of its proper divisors (1078674336998).

2157335611066 is a wasteful number, since it uses less digits than its factorization.

2157335611066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177156.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 2157335611066 in words is "two trillion, one hundred fifty-seven billion, three hundred thirty-five million, six hundred eleven thousand, sixty-six".