1611315342 has 160 divisors (see below), whose sum is σ = 4598193600. Its totient is φ = 410199552.

The previous prime is 1611315283. The next prime is 1611315359. The reversal of 1611315342 is 2435131161.

It is a happy number.

1611315342 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 315 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 425634 + ... + 429402.

It is an arithmetic number, because the mean of its divisors is an integer number (28738710).

Almost surely, 2^1611315342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1611315342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299096800).

1611315342 is an abundant number, since it is smaller than the sum of its proper divisors (2986878258).

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

1611315342 is a wasteful number, since it uses less digits than its factorization.

1611315342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832 (or 3823 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1611315342 is about 40141.1925831807. The cubic root of 1611315342 is about 1172.3578094021.

The spelling of 1611315342 in words is "one billion, six hundred eleven million, three hundred fifteen thousand, three hundred forty-two".