1656535045 has 16 divisors (see below), whose sum is σ = 2282690880. Its totient is φ = 1141344000.

The previous prime is 1656534983. The next prime is 1656535073. The reversal of 1656535045 is 5405356561.

It is not a de Polignac number, because 1656535045 - 2¹⁹ = 1656010757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1656534989 and 1656535007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791556 + ... + 793645.

It is an arithmetic number, because the mean of its divisors is an integer number (142668180).

Almost surely, 2^1656535045 is an apocalyptic number.

It is an amenable number.

1656535045 is a deficient number, since it is larger than the sum of its proper divisors (626155835).

1656535045 is a wasteful number, since it uses less digits than its factorization.

1656535045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585236.

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 1656535045 is about 40700.5533746164. The cubic root of 1656535045 is about 1183.2237436477.

The spelling of 1656535045 in words is "one billion, six hundred fifty-six million, five hundred thirty-five thousand, forty-five".