1606491053 has 8 divisors (see below), whose sum is σ = 1616438208. Its totient is φ = 1596573504.

The previous prime is 1606490993. The next prime is 1606491077. The reversal of 1606491053 is 3501946061.

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

It is a cyclic number.

It is not a de Polignac number, because 1606491053 - 2²² = 1602296749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606491253) 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, 106826 + ... + 120932.

It is an arithmetic number, because the mean of its divisors is an integer number (202054776).

Almost surely, 2^1606491053 is an apocalyptic number.

It is an amenable number.

1606491053 is a deficient number, since it is larger than the sum of its proper divisors (9947155).

1606491053 is a wasteful number, since it uses less digits than its factorization.

1606491053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14803.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1606491053 is about 40081.0560364869. The cubic root of 1606491053 is about 1171.1866240485.

The spelling of 1606491053 in words is "one billion, six hundred six million, four hundred ninety-one thousand, fifty-three".