1611628484 has 18 divisors (see below), whose sum is σ = 2920962954. Its totient is φ = 778025920.

The previous prime is 1611628463. The next prime is 1611628489. The reversal of 1611628484 is 4848261161.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 751966084 + 859662400 = 27422^2 + 29320^2 .

It is not an unprimeable number, because it can be changed into a prime (1611628489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236177 + ... + 242904.

Almost surely, 2^1611628484 is an apocalyptic number.

It is an amenable number.

1611628484 is a deficient number, since it is larger than the sum of its proper divisors (1309334470).

1611628484 is a wasteful number, since it uses less digits than its factorization.

1611628484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479143 (or 479112 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 1611628484 is about 40145.0929006273. The cubic root of 1611628484 is about 1172.4337495736.

The spelling of 1611628484 in words is "one billion, six hundred eleven million, six hundred twenty-eight thousand, four hundred eighty-four".