1601502645 has 8 divisors (see below), whose sum is σ = 2562404256. Its totient is φ = 854134736.

The previous prime is 1601502619. The next prime is 1601502677. The reversal of 1601502645 is 5462051061.

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 1601502645 - 2¹⁴ = 1601486261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53383407 + ... + 53383436.

It is an arithmetic number, because the mean of its divisors is an integer number (320300532).

Almost surely, 2^1601502645 is an apocalyptic number.

1601502645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601502645 is a deficient number, since it is larger than the sum of its proper divisors (960901611).

1601502645 is a wasteful number, since it uses less digits than its factorization.

1601502645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106766851.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1601502645 is about 40018.7786545267. The cubic root of 1601502645 is about 1169.9731274418.

The spelling of 1601502645 in words is "one billion, six hundred one million, five hundred two thousand, six hundred forty-five".