1650664023 has 8 divisors (see below), whose sum is σ = 2296576128. Its totient is φ = 1052597304.

The previous prime is 1650663997. The next prime is 1650664033. The reversal of 1650664023 is 3204660561.

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

It is not a de Polignac number, because 1650664023 - 2¹⁴ = 1650647639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650664033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11961265 + ... + 11961402.

It is an arithmetic number, because the mean of its divisors is an integer number (287072016).

Almost surely, 2^1650664023 is an apocalyptic number.

1650664023 is a deficient number, since it is larger than the sum of its proper divisors (645912105).

1650664023 is a wasteful number, since it uses less digits than its factorization.

1650664023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23922693.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1650664023 is about 40628.3647591187. The cubic root of 1650664023 is about 1181.8242450134.

The spelling of 1650664023 in words is "one billion, six hundred fifty million, six hundred sixty-four thousand, twenty-three".