1611361452 has 24 divisors (see below), whose sum is σ = 3889494000. Its totient is φ = 518598976.

The previous prime is 1611361447. The next prime is 1611361463. The reversal of 1611361452 is 2541631161.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314827 + ... + 2315522.

It is an arithmetic number, because the mean of its divisors is an integer number (162062250).

Almost surely, 2^1611361452 is an apocalyptic number.

1611361452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1611361452 is an abundant number, since it is smaller than the sum of its proper divisors (2278132548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1611361452 is a wasteful number, since it uses less digits than its factorization.

1611361452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630385 (or 4630383 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1611361452 is about 40141.7669267311. The cubic root of 1611361452 is about 1172.3689921713.

The spelling of 1611361452 in words is "one billion, six hundred eleven million, three hundred sixty-one thousand, four hundred fifty-two".