1641671364426 has 128 divisors (see below), whose sum is σ = 3538926720000. Its totient is φ = 506682570240.

The previous prime is 1641671364409. The next prime is 1641671364451. The reversal of 1641671364426 is 6244631761461.

It is a super-3 number, since 3×1641671364426³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238507581 + ... + 238514463.

It is an arithmetic number, because the mean of its divisors is an integer number (27647865000).

Almost surely, 2^{1641671364426} is an apocalyptic number.

1641671364426 is an abundant number, since it is smaller than the sum of its proper divisors (1897255355574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641671364426 is a wasteful number, since it uses less digits than its factorization.

1641671364426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524.

The product of its digits is 3483648, while the sum is 51.

The spelling of 1641671364426 in words is "one trillion, six hundred forty-one billion, six hundred seventy-one million, three hundred sixty-four thousand, four hundred twenty-six".