538154662 has 4 divisors (see below), whose sum is σ = 807231996. Its totient is φ = 269077330.

The previous prime is 538154611. The next prime is 538154663. The reversal of 538154662 is 266451835.

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

It is a super-2 number, since 2×538154662² = 579220880464668488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538154663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134538664 + ... + 134538667.

It is an arithmetic number, because the mean of its divisors is an integer number (201807999).

Almost surely, 2^538154662 is an apocalyptic number.

538154662 is a deficient number, since it is larger than the sum of its proper divisors (269077334).

538154662 is a wasteful number, since it uses less digits than its factorization.

538154662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269077333.

The product of its digits is 172800, while the sum is 40.

The square root of 538154662 is about 23198.1607460592. The cubic root of 538154662 is about 813.3966304242.

The spelling of 538154662 in words is "five hundred thirty-eight million, one hundred fifty-four thousand, six hundred sixty-two".