1611148486 has 4 divisors (see below), whose sum is σ = 2416722732. Its totient is φ = 805574242.

The previous prime is 1611148477. The next prime is 1611148489. The reversal of 1611148486 is 6848411161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611148489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402787120 + ... + 402787123.

It is an arithmetic number, because the mean of its divisors is an integer number (604180683).

Almost surely, 2^1611148486 is an apocalyptic number.

1611148486 is a deficient number, since it is larger than the sum of its proper divisors (805574246).

1611148486 is an equidigital number, since it uses as much as digits as its factorization.

1611148486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805574245.

The product of its digits is 36864, while the sum is 40.

The square root of 1611148486 is about 40139.1141656116. The cubic root of 1611148486 is about 1172.3173410795.

The spelling of 1611148486 in words is "one billion, six hundred eleven million, one hundred forty-eight thousand, four hundred eighty-six".