1601015671 has 8 divisors (see below), whose sum is σ = 1679376384. Its totient is φ = 1523384280.

The previous prime is 1601015629. The next prime is 1601015687. The reversal of 1601015671 is 1765101061.

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

It is a cyclic number.

It is not a de Polignac number, because 1601015671 - 2⁷ = 1601015543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601019671) 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, 177831 + ... + 186616.

It is an arithmetic number, because the mean of its divisors is an integer number (209922048).

Almost surely, 2^1601015671 is an apocalyptic number.

1601015671 is a deficient number, since it is larger than the sum of its proper divisors (78360713).

1601015671 is a wasteful number, since it uses less digits than its factorization.

1601015671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364661.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1601015671 is about 40012.6938733198. The cubic root of 1601015671 is about 1169.8545296042.

The spelling of 1601015671 in words is "one billion, six hundred one million, fifteen thousand, six hundred seventy-one".