1664363054 has 8 divisors (see below), whose sum is σ = 2522282448. Its totient is φ = 823602240.

The previous prime is 1664363039. The next prime is 1664363059. The reversal of 1664363054 is 4503634661.

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

It is a junction number, because it is equal to n+sod(n) for n = 1664362999 and 1664363017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664363059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289402 + ... + 4289789.

It is an arithmetic number, because the mean of its divisors is an integer number (315285306).

Almost surely, 2^1664363054 is an apocalyptic number.

1664363054 is a deficient number, since it is larger than the sum of its proper divisors (857919394).

1664363054 is an equidigital number, since it uses as much as digits as its factorization.

1664363054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8579290.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 1664363054 is about 40796.6059127472. The cubic root of 1664363054 is about 1185.0846026703.

It can be divided in two parts, 16643 and 63054, that added together give a palindrome (79697).

The spelling of 1664363054 in words is "one billion, six hundred sixty-four million, three hundred sixty-three thousand, fifty-four".