1653270161 has 8 divisors (see below), whose sum is σ = 1756550880. Its totient is φ = 1551616128.

The previous prime is 1653270127. The next prime is 1653270169. The reversal of 1653270161 is 1610723561.

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 1653270161 - 2¹⁸ = 1653008017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1653270169) 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, 404576 + ... + 408641.

It is an arithmetic number, because the mean of its divisors is an integer number (219568860).

Almost surely, 2^1653270161 is an apocalyptic number.

It is an amenable number.

1653270161 is a deficient number, since it is larger than the sum of its proper divisors (103280719).

1653270161 is a wasteful number, since it uses less digits than its factorization.

1653270161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813343.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1653270161 is about 40660.4249977789. The cubic root of 1653270161 is about 1182.4458892948.

The spelling of 1653270161 in words is "one billion, six hundred fifty-three million, two hundred seventy thousand, one hundred sixty-one".