46161920 has 168 divisors, whose sum is σ = 134471664. Its totient is φ = 15138816.

The previous prime is 46161893. The next prime is 46161959. The reversal of 46161920 is 2916164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007029 + ... + 2007051.

Almost surely, 2^46161920 is an apocalyptic number.

46161920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46161920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67235832).

46161920 is an abundant number, since it is smaller than the sum of its proper divisors (88309744).

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

46161920 is an equidigital number, since it uses as much as digits as its factorization.

46161920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 46161920 is about 6794.2563978702. The cubic root of 46161920 is about 358.7247057320.

The spelling of 46161920 in words is "forty-six million, one hundred sixty-one thousand, nine hundred twenty".