16429772352 has 112 divisors (see below), whose sum is σ = 49709417472. Its totient is φ = 4691489280.

The previous prime is 16429772341. The next prime is 16429772353. The reversal of 16429772352 is 25327792461.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×16429772352² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (16429772353) 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, 3899527 + ... + 3903737.

Almost surely, 2^16429772352 is an apocalyptic number.

16429772352 is a gapful number since it is divisible by the number (12) 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 16429772352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24854708736).

16429772352 is an abundant number, since it is smaller than the sum of its proper divisors (33279645120).

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

16429772352 is a wasteful number, since it uses less digits than its factorization.

16429772352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136 (or 7126 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The spelling of 16429772352 in words is "sixteen billion, four hundred twenty-nine million, seven hundred seventy-two thousand, three hundred fifty-two".