1601745716 has 12 divisors (see below), whose sum is σ = 2805604032. Its totient is φ = 800144568.

The previous prime is 1601745713. The next prime is 1601745731. The reversal of 1601745716 is 6175471061.

It is a self number, because there is not a number n which added to its sum of digits gives 1601745716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601745713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177110 + ... + 185933.

It is an arithmetic number, because the mean of its divisors is an integer number (233800336).

Almost surely, 2^1601745716 is an apocalyptic number.

It is an amenable number.

1601745716 is a deficient number, since it is larger than the sum of its proper divisors (1203858316).

1601745716 is a wasteful number, since it uses less digits than its factorization.

1601745716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364150 (or 364148 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1601745716 is about 40021.8155010489. The cubic root of 1601745716 is about 1170.0323160529.

The spelling of 1601745716 in words is "one billion, six hundred one million, seven hundred forty-five thousand, seven hundred sixteen".