2166329871046 has 32 divisors (see below), whose sum is σ = 3750228576000. Its totient is φ = 928181501280.

The previous prime is 2166329871037. The next prime is 2166329871061. The reversal of 2166329871046 is 6401789236612.

It is a super-2 number, since 2×2166329871046² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12938445 + ... + 13104808.

It is an arithmetic number, because the mean of its divisors is an integer number (117194643000).

Almost surely, 2^{2166329871046} is an apocalyptic number.

2166329871046 is a deficient number, since it is larger than the sum of its proper divisors (1583898704954).

2166329871046 is a wasteful number, since it uses less digits than its factorization.

2166329871046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26043484.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 2166329871046 in words is "two trillion, one hundred sixty-six billion, three hundred twenty-nine million, eight hundred seventy-one thousand, forty-six".