35644000166421 has 16 divisors (see below), whose sum is σ = 50187524375040. Its totient is φ = 22439614241520.

The previous prime is 35644000166407. The next prime is 35644000166449. The reversal of 35644000166421 is 12466100044653.

It is not a de Polignac number, because 35644000166421 - 2⁵ = 35644000166389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35644000366421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005341335 + ... + 1005376788.

It is an arithmetic number, because the mean of its divisors is an integer number (3136720273440).

Almost surely, 2^{35644000166421} is an apocalyptic number.

It is an amenable number.

35644000166421 is a deficient number, since it is larger than the sum of its proper divisors (14543524208619).

35644000166421 is a wasteful number, since it uses less digits than its factorization.

35644000166421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010718456.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 35644000166421 in words is "thirty-five trillion, six hundred forty-four billion, one hundred sixty-six thousand, four hundred twenty-one".