1901606495 has 8 divisors (see below), whose sum is σ = 2355538560. Its totient is φ = 1472211360.

The previous prime is 1901606471. The next prime is 1901606503. The reversal of 1901606495 is 5946061091.

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

It is not a de Polignac number, because 1901606495 - 2¹⁶ = 1901540959 is a prime.

It is a super-2 number, since 2×1901606495² = 7232214523652370050, which contains 22 as substring.

It is a congruent number.

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, 6134060 + ... + 6134369.

It is an arithmetic number, because the mean of its divisors is an integer number (294442320).

Almost surely, 2^1901606495 is an apocalyptic number.

1901606495 is a deficient number, since it is larger than the sum of its proper divisors (453932065).

1901606495 is a wasteful number, since it uses less digits than its factorization.

1901606495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268465.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1901606495 is about 43607.4133032447. The cubic root of 1901606495 is about 1238.9113092198.

The spelling of 1901606495 in words is "one billion, nine hundred one million, six hundred six thousand, four hundred ninety-five".