1661152034 has 8 divisors (see below), whose sum is σ = 2491959708. Its totient is φ = 830498800.

The previous prime is 1661152033. The next prime is 1661152079. The reversal of 1661152034 is 4302511661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1656245809 + 4906225 = 40697^2 + 2215^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1661151988 and 1661152006.

It is not an unprimeable number, because it can be changed into a prime (1661152033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6317 + ... + 57984.

Almost surely, 2^1661152034 is an apocalyptic number.

1661152034 is a deficient number, since it is larger than the sum of its proper divisors (830807674).

1661152034 is a wasteful number, since it uses less digits than its factorization.

1661152034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77220.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1661152034 is about 40757.2329041116. The cubic root of 1661152034 is about 1184.3219925817.

Adding to 1661152034 its reverse (4302511661), we get a palindrome (5963663695).

The spelling of 1661152034 in words is "one billion, six hundred sixty-one million, one hundred fifty-two thousand, thirty-four".