1800152061 has 8 divisors (see below), whose sum is σ = 2482968480. Its totient is φ = 1158718512.

The previous prime is 1800152059. The next prime is 1800152069. The reversal of 1800152061 is 1602510081.

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

It is not a de Polignac number, because 1800152061 - 2¹ = 1800152059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800152069) 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, 10345615 + ... + 10345788.

It is an arithmetic number, because the mean of its divisors is an integer number (310371060).

Almost surely, 2^1800152061 is an apocalyptic number.

It is an amenable number.

1800152061 is a deficient number, since it is larger than the sum of its proper divisors (682816419).

1800152061 is a wasteful number, since it uses less digits than its factorization.

1800152061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20691435.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1800152061 is about 42428.1988894179. The cubic root of 1800152061 is about 1216.4746524360.

The spelling of 1800152061 in words is "one billion, eight hundred million, one hundred fifty-two thousand, sixty-one".