1401662500641 has 96 divisors (see below), whose sum is σ = 2246284395264. Its totient is φ = 836930880000.

The previous prime is 1401662500597. The next prime is 1401662500649. The reversal of 1401662500641 is 1460052661041.

1401662500641 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 6 + 6 + 2 + 5 + 0 + 0 + 641 = 666.

It is not a de Polignac number, because 1401662500641 - 2²⁵ = 1401628946209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401662500596 and 1401662500605.

It is not an unprimeable number, because it can be changed into a prime (1401662500649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203993436 + ... + 204000306.

It is an arithmetic number, because the mean of its divisors is an integer number (23398795784).

Almost surely, 2^{1401662500641} is an apocalyptic number.

It is an amenable number.

1401662500641 is a deficient number, since it is larger than the sum of its proper divisors (844621894623).

1401662500641 is a wasteful number, since it uses less digits than its factorization.

1401662500641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335 (or 7332 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1401662500641 in words is "one trillion, four hundred one billion, six hundred sixty-two million, five hundred thousand, six hundred forty-one".