147644067324261 has 16 divisors (see below), whose sum is σ = 202181437464704. Its totient is φ = 95768094913344.

The previous prime is 147644067324199. The next prime is 147644067324283. The reversal of 147644067324261 is 162423760446741.

It is not a de Polignac number, because 147644067324261 - 2⁷ = 147644067324133 is a prime.

It is a super-2 number, since 2×147644067324261² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147644067320261) 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, 3285531 + ... + 17495223.

It is an arithmetic number, because the mean of its divisors is an integer number (12636339841544).

Almost surely, 2^{147644067324261} is an apocalyptic number.

It is an amenable number.

147644067324261 is a deficient number, since it is larger than the sum of its proper divisors (54537370140443).

147644067324261 is a wasteful number, since it uses less digits than its factorization.

147644067324261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14303340.

The product of its (nonzero) digits is 32514048, while the sum is 57.

The spelling of 147644067324261 in words is "one hundred forty-seven trillion, six hundred forty-four billion, sixty-seven million, three hundred twenty-four thousand, two hundred sixty-one".