1611425144 has 32 divisors (see below), whose sum is σ = 3518212320. Its totient is φ = 677579136.

The previous prime is 1611425119. The next prime is 1611425161. The reversal of 1611425144 is 4415241161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268499 + ... + 274434.

It is an arithmetic number, because the mean of its divisors is an integer number (109944135).

Almost surely, 2^1611425144 is an apocalyptic number.

1611425144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1611425144 is an abundant number, since it is smaller than the sum of its proper divisors (1906787176).

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

1611425144 is a wasteful number, since it uses less digits than its factorization.

1611425144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542999 (or 542995 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 1611425144 is about 40142.5602571635. The cubic root of 1611425144 is about 1172.3844386420.

The spelling of 1611425144 in words is "one billion, six hundred eleven million, four hundred twenty-five thousand, one hundred forty-four".