1516666652 has 6 divisors (see below), whose sum is σ = 2654166648. Its totient is φ = 758333324.

The previous prime is 1516666637. The next prime is 1516666681. The reversal of 1516666652 is 2566666151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189583328 + ... + 189583335.

It is an arithmetic number, because the mean of its divisors is an integer number (442361108).

Almost surely, 2^1516666652 is an apocalyptic number.

It is an amenable number.

1516666652 is a deficient number, since it is larger than the sum of its proper divisors (1137499996).

1516666652 is a wasteful number, since it uses less digits than its factorization.

1516666652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379166667 (or 379166665 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 1516666652 is about 38944.4046301905. The cubic root of 1516666652 is about 1148.9383149193.

It can be divided in two parts, 15166 and 66652, that added together give a palindrome (81818).

The spelling of 1516666652 in words is "one billion, five hundred sixteen million, six hundred sixty-six thousand, six hundred fifty-two".