672134453155 has 32 divisors (see below), whose sum is σ = 897980707008. Its totient is φ = 478802688000.

The previous prime is 672134453131. The next prime is 672134453167. The reversal of 672134453155 is 551354431276.

It is a de Polignac number, because none of the positive numbers 2^k-672134453155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1560087 + ... + 1943743.

It is an arithmetic number, because the mean of its divisors is an integer number (28061897094).

Almost surely, 2^672134453155 is an apocalyptic number.

672134453155 is a deficient number, since it is larger than the sum of its proper divisors (225846253853).

672134453155 is a wasteful number, since it uses less digits than its factorization.

672134453155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384327.

The product of its digits is 1512000, while the sum is 46.

The spelling of 672134453155 in words is "six hundred seventy-two billion, one hundred thirty-four million, four hundred fifty-three thousand, one hundred fifty-five".