2001496856 has 8 divisors (see below), whose sum is σ = 3752806620. Its totient is φ = 1000748424.

The previous prime is 2001496843. The next prime is 2001496867. The reversal of 2001496856 is 6586941002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125093546 + ... + 125093561.

Almost surely, 2^2001496856 is an apocalyptic number.

It is an amenable number.

2001496856 is a deficient number, since it is larger than the sum of its proper divisors (1751309764).

2001496856 is a wasteful number, since it uses less digits than its factorization.

2001496856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250187113 (or 250187109 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 2001496856 is about 44738.0917787069. The cubic root of 2001496856 is about 1260.2352915760.

The spelling of 2001496856 in words is "two billion, one million, four hundred ninety-six thousand, eight hundred fifty-six".