1601346736 has 40 divisors (see below), whose sum is σ = 3392086464. Its totient is φ = 726288960.

The previous prime is 1601346707. The next prime is 1601346767. The reversal of 1601346736 is 6376431061.

It is a happy number.

It is a super-2 number, since 2×1601346736² = 5128622737795707392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1601346695 and 1601346704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72451 + ... + 91933.

Almost surely, 2^1601346736 is an apocalyptic number.

1601346736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1601346736 is an abundant number, since it is smaller than the sum of its proper divisors (1790739728).

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

1601346736 is a wasteful number, since it uses less digits than its factorization.

1601346736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19969 (or 19963 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 1601346736 is about 40016.8306591114. The cubic root of 1601346736 is about 1169.9351599200.

Adding to 1601346736 its reverse (6376431061), we get a palindrome (7977777797).

The spelling of 1601346736 in words is "one billion, six hundred one million, three hundred forty-six thousand, seven hundred thirty-six".