1641797064 has 48 divisors (see below), whose sum is σ = 4448418000. Its totient is φ = 547033824.

The previous prime is 1641797023. The next prime is 1641797077. The reversal of 1641797064 is 4607971461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292347 + ... + 297909.

It is an arithmetic number, because the mean of its divisors is an integer number (92675375).

Almost surely, 2^1641797064 is an apocalyptic number.

It is an amenable number.

1641797064 is an abundant number, since it is smaller than the sum of its proper divisors (2806620936).

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

1641797064 is a wasteful number, since it uses less digits than its factorization.

1641797064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9674 (or 9667 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1641797064 is about 40519.0950540606. The cubic root of 1641797064 is about 1179.7042886311.

The spelling of 1641797064 in words is "one billion, six hundred forty-one million, seven hundred ninety-seven thousand, sixty-four".