464644165212251 has 16 divisors (see below), whose sum is σ = 470761771632768. Its totient is φ = 458566979520000.

The previous prime is 464644165212233. The next prime is 464644165212263. The reversal of 464644165212251 is 152212561446464.

It is a cyclic number.

It is not a de Polignac number, because 464644165212251 - 2⁴⁶ = 394275421034587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 464644165212193 and 464644165212202.

It is not an unprimeable number, because it can be changed into a prime (464644165218251) 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, 79368560 + ... + 85021506.

It is an arithmetic number, because the mean of its divisors is an integer number (29422610727048).

Almost surely, 2^{464644165212251} is an apocalyptic number.

464644165212251 is a deficient number, since it is larger than the sum of its proper divisors (6117606420517).

464644165212251 is a wasteful number, since it uses less digits than its factorization.

464644165212251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656522.

The product of its digits is 11059200, while the sum is 53.

The spelling of 464644165212251 in words is "four hundred sixty-four trillion, six hundred forty-four billion, one hundred sixty-five million, two hundred twelve thousand, two hundred fifty-one".