1641053774 has 8 divisors (see below), whose sum is σ = 2461774680. Its totient is φ = 820462216.

The previous prime is 1641053767. The next prime is 1641053819. The reversal of 1641053774 is 4773501461.

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

It is a congruent number.

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, 10997 + ... + 58335.

It is an arithmetic number, because the mean of its divisors is an integer number (307721835).

Almost surely, 2^1641053774 is an apocalyptic number.

1641053774 is a deficient number, since it is larger than the sum of its proper divisors (820720906).

1641053774 is a wasteful number, since it uses less digits than its factorization.

1641053774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64674.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 1641053774 is about 40509.9219204382. The cubic root of 1641053774 is about 1179.5262327718.

The spelling of 1641053774 in words is "one billion, six hundred forty-one million, fifty-three thousand, seven hundred seventy-four".