67228664354 has 4 divisors (see below), whose sum is σ = 100842996534. Its totient is φ = 33614332176.

The previous prime is 67228664351. The next prime is 67228664369. The reversal of 67228664354 is 45346682276.

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., 36735472225 + 30493192129 = 191665^2 + 174623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67228664296 and 67228664305.

It is not an unprimeable number, because it can be changed into a prime (67228664351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16807166087 + ... + 16807166090.

Almost surely, 2^67228664354 is an apocalyptic number.

67228664354 is a deficient number, since it is larger than the sum of its proper divisors (33614332180).

67228664354 is a wasteful number, since it uses less digits than its factorization.

67228664354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33614332179.

The product of its digits is 11612160, while the sum is 53.

The spelling of 67228664354 in words is "sixty-seven billion, two hundred twenty-eight million, six hundred sixty-four thousand, three hundred fifty-four".