1642323062164 has 24 divisors (see below), whose sum is σ = 2935055972520. Its totient is φ = 803807207424.

The previous prime is 1642323062129. The next prime is 1642323062183. The reversal of 1642323062164 is 4612603232461.

It can be written as a sum of positive squares in 4 ways, for example, as 411532514064 + 1230790548100 = 641508^2 + 1109410^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8853709 + ... + 9037300.

It is an arithmetic number, because the mean of its divisors is an integer number (122293998855).

Almost surely, 2^{1642323062164} is an apocalyptic number.

It is an amenable number.

1642323062164 is a deficient number, since it is larger than the sum of its proper divisors (1292732910356).

1642323062164 is a wasteful number, since it uses less digits than its factorization.

1642323062164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17891499 (or 17891497 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 1642323062164 in words is "one trillion, six hundred forty-two billion, three hundred twenty-three million, sixty-two thousand, one hundred sixty-four".