1612380553 has 8 divisors (see below), whose sum is σ = 1852369920. Its totient is φ = 1374803520.

The previous prime is 1612380481. The next prime is 1612380559. The reversal of 1612380553 is 3550832161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1612380553 - 2⁹ = 1612380041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612380559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601648 + ... + 604321.

It is an arithmetic number, because the mean of its divisors is an integer number (231546240).

Almost surely, 2^1612380553 is an apocalyptic number.

It is an amenable number.

1612380553 is a deficient number, since it is larger than the sum of its proper divisors (239989367).

1612380553 is a wasteful number, since it uses less digits than its factorization.

1612380553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206167.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1612380553 is about 40154.4586938985. The cubic root of 1612380553 is about 1172.6160939052.

The spelling of 1612380553 in words is "one billion, six hundred twelve million, three hundred eighty thousand, five hundred fifty-three".