29626943164 has 144 divisors (see below), whose sum is σ = 66754652160. Its totient is φ = 11253116160.

The previous prime is 29626943153. The next prime is 29626943167. The reversal of 29626943164 is 46134962692.

It is a happy number.

It is a super-2 number, since 2×29626943164² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29626943167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20389462 + ... + 20390914.

Almost surely, 2^29626943164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29626943164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33377326080).

29626943164 is an abundant number, since it is smaller than the sum of its proper divisors (37127708996).

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

29626943164 is a wasteful number, since it uses less digits than its factorization.

29626943164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1645 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 52.

The spelling of 29626943164 in words is "twenty-nine billion, six hundred twenty-six million, nine hundred forty-three thousand, one hundred sixty-four".