155000120662 has 4 divisors (see below), whose sum is σ = 232500180996. Its totient is φ = 77500060330.

The previous prime is 155000120641. The next prime is 155000120699. The reversal of 155000120662 is 266021000551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266021000551 = 1301 ⋅204474251.

It is a self number, because there is not a number n which added to its sum of digits gives 155000120662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38750030164 + ... + 38750030167.

It is an arithmetic number, because the mean of its divisors is an integer number (58125045249).

Almost surely, 2^155000120662 is an apocalyptic number.

155000120662 is a deficient number, since it is larger than the sum of its proper divisors (77500060334).

155000120662 is an equidigital number, since it uses as much as digits as its factorization.

155000120662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77500060333.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 155000120662 in words is "one hundred fifty-five billion, one hundred twenty thousand, six hundred sixty-two".