1663146364 has 24 divisors (see below), whose sum is σ = 3213358848. Its totient is φ = 746865840.

The previous prime is 1663146349. The next prime is 1663146377. The reversal of 1663146364 is 4636413661.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 224052 + ... + 231355.

It is an arithmetic number, because the mean of its divisors is an integer number (133889952).

Almost surely, 2^1663146364 is an apocalyptic number.

It is an amenable number.

1663146364 is a deficient number, since it is larger than the sum of its proper divisors (1550212484).

1663146364 is a wasteful number, since it uses less digits than its factorization.

1663146364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455505 (or 455503 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The square root of 1663146364 is about 40781.6915294106. The cubic root of 1663146364 is about 1184.7957570216.

The spelling of 1663146364 in words is "one billion, six hundred sixty-three million, one hundred forty-six thousand, three hundred sixty-four".