1601972341 has 8 divisors (see below), whose sum is σ = 1606700480. Its totient is φ = 1597252608.

The previous prime is 1601972297. The next prime is 1601972347. The reversal of 1601972341 is 1432791061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1601972341 is a prime.

It is a super-3 number, since 3×1601972341³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1601972297 and 1601972306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601972347) 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, 603880 + ... + 606526.

It is an arithmetic number, because the mean of its divisors is an integer number (200837560).

Almost surely, 2^1601972341 is an apocalyptic number.

It is an amenable number.

1601972341 is a deficient number, since it is larger than the sum of its proper divisors (4728139).

1601972341 is an equidigital number, since it uses as much as digits as its factorization.

1601972341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1601972341 is about 40024.6466692712. The cubic root of 1601972341 is about 1170.0874946135.

The spelling of 1601972341 in words is "one billion, six hundred one million, nine hundred seventy-two thousand, three hundred forty-one".