164651740000 has 240 divisors, whose sum is σ = 444111788736. Its totient is φ = 59572800000.

The previous prime is 164651739991. The next prime is 164651740009. The reversal of 164651740000 is 47156461.

It is an interprime number because it is at equal distance from previous prime (164651739991) and next prime (164651740009).

It is a super-2 number, since 2×164651740000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164651740009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46418227 + ... + 46421773.

Almost surely, 2^164651740000 is an apocalyptic number.

164651740000 is a gapful number since it is divisible by the number (10) 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 164651740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222055894368).

164651740000 is an abundant number, since it is smaller than the sum of its proper divisors (279460048736).

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

164651740000 is a wasteful number, since it uses less digits than its factorization.

164651740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799 (or 3776 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 164651740000 its reverse (47156461), we get a palindrome (164698896461).

The spelling of 164651740000 in words is "one hundred sixty-four billion, six hundred fifty-one million, seven hundred forty thousand".