667401833395 has 16 divisors (see below), whose sum is σ = 881421448032. Its totient is φ = 481087720960.

The previous prime is 667401833327. The next prime is 667401833471. The reversal of 667401833395 is 593338104766.

It is not a de Polignac number, because 667401833395 - 2²¹ = 667399736243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53686612 + ... + 53699041.

It is an arithmetic number, because the mean of its divisors is an integer number (55088840502).

Almost surely, 2^667401833395 is an apocalyptic number.

667401833395 is a deficient number, since it is larger than the sum of its proper divisors (214019614637).

667401833395 is a wasteful number, since it uses less digits than its factorization.

667401833395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107385782.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 667401833395 in words is "six hundred sixty-seven billion, four hundred one million, eight hundred thirty-three thousand, three hundred ninety-five".