1653120534 has 16 divisors (see below), whose sum is σ = 3560567472. Its totient is φ = 508652448.

The previous prime is 1653120523. The next prime is 1653120541. The reversal of 1653120534 is 4350213561.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10596849 + ... + 10597004.

It is an arithmetic number, because the mean of its divisors is an integer number (222535467).

Almost surely, 2^1653120534 is an apocalyptic number.

1653120534 is an abundant number, since it is smaller than the sum of its proper divisors (1907446938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1653120534 is a wasteful number, since it uses less digits than its factorization.

1653120534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21193871.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1653120534 is about 40658.5849975131. The cubic root of 1653120534 is about 1182.4102163252.

The spelling of 1653120534 in words is "one billion, six hundred fifty-three million, one hundred twenty thousand, five hundred thirty-four".