46001620665 has 288 divisors, whose sum is σ = 111943593216. Its totient is φ = 17165675520.

The previous prime is 46001620663. The next prime is 46001620697. The reversal of 46001620665 is 56602610064.

It is a happy number.

It is not a de Polignac number, because 46001620665 - 2¹ = 46001620663 is a prime.

It is a super-2 number, since 2×46001620665² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46001620663) 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 287 ways as a sum of consecutive naturals, for example, 11664684 + ... + 11668626.

It is an arithmetic number, because the mean of its divisors is an integer number (388693032).

Almost surely, 2^46001620665 is an apocalyptic number.

46001620665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

46001620665 is an abundant number, since it is smaller than the sum of its proper divisors (65941972551).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46001620665 is a wasteful number, since it uses less digits than its factorization.

46001620665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4019 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

It can be divided in two parts, 46001 and 620665, that added together give a palindrome (666666).

The spelling of 46001620665 in words is "forty-six billion, one million, six hundred twenty thousand, six hundred sixty-five".