109662354154 has 4 divisors (see below), whose sum is σ = 164493531234. Its totient is φ = 54831177076.

The previous prime is 109662354107. The next prime is 109662354157. The reversal of 109662354154 is 451453266901.

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., 109645090129 + 17264025 = 331127^2 + 4155^2 .

It is not an unprimeable number, because it can be changed into a prime (109662354157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27415588537 + ... + 27415588540.

Almost surely, 2^109662354154 is an apocalyptic number.

109662354154 is a deficient number, since it is larger than the sum of its proper divisors (54831177080).

109662354154 is an equidigital number, since it uses as much as digits as its factorization.

109662354154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54831177079.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 109662354154 in words is "one hundred nine billion, six hundred sixty-two million, three hundred fifty-four thousand, one hundred fifty-four".