46706191920 has 160 divisors (see below), whose sum is σ = 161365386240. Its totient is φ = 12417166080.

The previous prime is 46706191841. The next prime is 46706191921. The reversal of 46706191920 is 2919160764.

46706191920 is a `hidden beast` number, since 4 + 6 + 7 + 0 + 619 + 1 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (46706191921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682297 + ... + 747623.

It is an arithmetic number, because the mean of its divisors is an integer number (1008533664).

Almost surely, 2^46706191920 is an apocalyptic number.

46706191920 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 46706191920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80682693120).

46706191920 is an abundant number, since it is smaller than the sum of its proper divisors (114659194320).

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

46706191920 is a wasteful number, since it uses less digits than its factorization.

46706191920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65680 (or 65668 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 46706191920 in words is "forty-six billion, seven hundred six million, one hundred ninety-one thousand, nine hundred twenty".