64162026146 has 4 divisors (see below), whose sum is σ = 96243039222. Its totient is φ = 32081013072.

The previous prime is 64162026119. The next prime is 64162026157.

64162026146 is nontrivially palindromic in base 10.

64162026146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41804300521 + 22357725625 = 204461^2 + 149525^2 .

It is a super-2 number, since 2×64162026146² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16040506535 + ... + 16040506538.

Almost surely, 2^64162026146 is an apocalyptic number.

64162026146 is a deficient number, since it is larger than the sum of its proper divisors (32081013076).

64162026146 is a wasteful number, since it uses less digits than its factorization.

64162026146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32081013075.

The product of its (nonzero) digits is 82944, while the sum is 38.

It can be divided in two parts, 641620 and 26146, that added together give a palindrome (667766).

The spelling of 64162026146 in words is "sixty-four billion, one hundred sixty-two million, twenty-six thousand, one hundred forty-six".