1654512116 has 6 divisors (see below), whose sum is σ = 2895396210. Its totient is φ = 827256056.

The previous prime is 1654512113. The next prime is 1654512143. The reversal of 1654512116 is 6112154561.

It can be written as a sum of positive squares in only one way, i.e., 1540876516 + 113635600 = 39254^2 + 10660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654512113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206814011 + ... + 206814018.

It is an arithmetic number, because the mean of its divisors is an integer number (482566035).

Almost surely, 2^1654512116 is an apocalyptic number.

It is an amenable number.

1654512116 is a deficient number, since it is larger than the sum of its proper divisors (1240884094).

1654512116 is a wasteful number, since it uses less digits than its factorization.

1654512116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413628033 (or 413628031 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 1654512116 is about 40675.6944132488. The cubic root of 1654512116 is about 1182.7419040344.

Adding to 1654512116 its reverse (6112154561), we get a palindrome (7766666677).

The spelling of 1654512116 in words is "one billion, six hundred fifty-four million, five hundred twelve thousand, one hundred sixteen".