1609264608 has 96 divisors (see below), whose sum is σ = 5111817984. Its totient is φ = 432740352.

The previous prime is 1609264583. The next prime is 1609264619. The reversal of 1609264608 is 8064629061.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1609264608² = 5179465157122787328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1609264608.

It is a congruent number.

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, 59010 + ... + 81857.

It is an arithmetic number, because the mean of its divisors is an integer number (53248104).

Almost surely, 2^1609264608 is an apocalyptic number.

It is an amenable number.

1609264608 is an abundant number, since it is smaller than the sum of its proper divisors (3502553376).

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

1609264608 is a wasteful number, since it uses less digits than its factorization.

1609264608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140904 (or 140896 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1609264608 is about 40115.6404411048. The cubic root of 1609264608 is about 1171.8602418508.

The spelling of 1609264608 in words is "one billion, six hundred nine million, two hundred sixty-four thousand, six hundred eight".