1652167665 has 16 divisors (see below), whose sum is σ = 2937187200. Its totient is φ = 881156016.

The previous prime is 1652167663. The next prime is 1652167669. The reversal of 1652167665 is 5667612561.

1652167665 is a `hidden beast` number, since 1 + 6 + 521 + 67 + 6 + 65 = 666.

1652167665 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1652167665 - 2¹ = 1652167663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1652167665.

It is not an unprimeable number, because it can be changed into a prime (1652167663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6119005 + ... + 6119274.

It is an arithmetic number, because the mean of its divisors is an integer number (183574200).

Almost surely, 2^1652167665 is an apocalyptic number.

1652167665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1652167665 is a deficient number, since it is larger than the sum of its proper divisors (1285019535).

1652167665 is a wasteful number, since it uses less digits than its factorization.

1652167665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238293 (or 12238287 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 1652167665 is about 40646.8653772957. The cubic root of 1652167665 is about 1182.1829897836.

The spelling of 1652167665 in words is "one billion, six hundred fifty-two million, one hundred sixty-seven thousand, six hundred sixty-five".