1611674980 has 24 divisors (see below), whose sum is σ = 3399053112. Its totient is φ = 641901312.

The previous prime is 1611674957. The next prime is 1611674983. The reversal of 1611674980 is 894761161.

It can be written as a sum of positive squares in 4 ways, for example, as 937024 + 1610737956 = 968^2 + 40134^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1611674983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168267 + ... + 177586.

It is an arithmetic number, because the mean of its divisors is an integer number (141627213).

Almost surely, 2^1611674980 is an apocalyptic number.

1611674980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1611674980 is an abundant number, since it is smaller than the sum of its proper divisors (1787378132).

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

1611674980 is a wasteful number, since it uses less digits than its factorization.

1611674980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346095 (or 346093 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1611674980 is about 40145.6719958702. The cubic root of 1611674980 is about 1172.4450244954.

The spelling of 1611674980 in words is "one billion, six hundred eleven million, six hundred seventy-four thousand, nine hundred eighty".