1641402557654 has 8 divisors (see below), whose sum is σ = 2462114948088. Its totient is φ = 820697574960.

The previous prime is 1641402557357. The next prime is 1641402557737. The reversal of 1641402557654 is 4567552041461.

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, 1260167 + ... + 2206994.

It is an arithmetic number, because the mean of its divisors is an integer number (307764368511).

Almost surely, 2^{1641402557654} is an apocalyptic number.

1641402557654 is a deficient number, since it is larger than the sum of its proper divisors (820712390434).

1641402557654 is a wasteful number, since it uses less digits than its factorization.

1641402557654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703870.

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 1641402557654 in words is "one trillion, six hundred forty-one billion, four hundred two million, five hundred fifty-seven thousand, six hundred fifty-four".