1609077696 has 56 divisors (see below), whose sum is σ = 4276222080. Its totient is φ = 533981952.

The previous prime is 1609077683. The next prime is 1609077697. The reversal of 1609077696 is 6967709061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609077697) 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, 25125 + ... + 62043.

Almost surely, 2^1609077696 is an apocalyptic number.

1609077696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1609077696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138111040).

1609077696 is an abundant number, since it is smaller than the sum of its proper divisors (2667144384).

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

1609077696 is a wasteful number, since it uses less digits than its factorization.

1609077696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37161 (or 37151 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 1609077696 is about 40113.3107085416. The cubic root of 1609077696 is about 1171.8148705631.

The spelling of 1609077696 in words is "one billion, six hundred nine million, seventy-seven thousand, six hundred ninety-six".