1652516905 has 16 divisors (see below), whose sum is σ = 2143293264. Its totient is φ = 1215901440.

The previous prime is 1652516897. The next prime is 1652516989. The reversal of 1652516905 is 5096152561.

It can be written as a sum of positive squares in 8 ways, for example, as 453349264 + 1199167641 = 21292^2 + 34629^2 .

It is not a de Polignac number, because 1652516905 - 2³ = 1652516897 is a prime.

It is a Duffinian 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, 27886 + ... + 63895.

It is an arithmetic number, because the mean of its divisors is an integer number (133955829).

Almost surely, 2^1652516905 is an apocalyptic number.

It is an amenable number.

1652516905 is a deficient number, since it is larger than the sum of its proper divisors (490776359).

1652516905 is a wasteful number, since it uses less digits than its factorization.

1652516905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92076.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 1652516905 is about 40651.1611765273. The cubic root of 1652516905 is about 1182.2662816731.

The spelling of 1652516905 in words is "one billion, six hundred fifty-two million, five hundred sixteen thousand, nine hundred five".