1516472653 has 4 divisors (see below), whose sum is σ = 1516567420. Its totient is φ = 1516377888.

The previous prime is 1516472647. The next prime is 1516472689. The reversal of 1516472653 is 3562746151.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 689220009 + 827252644 = 26253^2 + 28762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516472653 - 2⁵ = 1516472621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516472753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16800 + ... + 57577.

It is an arithmetic number, because the mean of its divisors is an integer number (379141855).

Almost surely, 2^1516472653 is an apocalyptic number.

It is an amenable number.

1516472653 is a deficient number, since it is larger than the sum of its proper divisors (94767).

1516472653 is an equidigital number, since it uses as much as digits as its factorization.

1516472653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94766.

The product of its digits is 151200, while the sum is 40.

The square root of 1516472653 is about 38941.9138332979. The cubic root of 1516472653 is about 1148.8893253829.

The spelling of 1516472653 in words is "one billion, five hundred sixteen million, four hundred seventy-two thousand, six hundred fifty-three".