1611004080 has 80 divisors (see below), whose sum is σ = 5707563264. Its totient is φ = 368229120.

The previous prime is 1611004067. The next prime is 1611004123. The reversal of 1611004080 is 804001161.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477786 + ... + 481145.

Almost surely, 2^1611004080 is an apocalyptic number.

1611004080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1611004080 is an abundant number, since it is smaller than the sum of its proper divisors (4096559184).

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

1611004080 is a wasteful number, since it uses less digits than its factorization.

1611004080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958954 (or 958948 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1611004080 is about 40137.3153063331. The cubic root of 1611004080 is about 1172.2823153991.

The spelling of 1611004080 in words is "one billion, six hundred eleven million, four thousand, eighty".