150261561646 has 16 divisors (see below), whose sum is σ = 263581743744. Its totient is φ = 62900188344.

The previous prime is 150261561643. The next prime is 150261561649. The reversal of 150261561646 is 646165162051.

It is an interprime number because it is at equal distance from previous prime (150261561643) and next prime (150261561649).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150261561643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124801360 + ... + 124802563.

It is an arithmetic number, because the mean of its divisors is an integer number (16473858984).

Almost surely, 2^150261561646 is an apocalyptic number.

150261561646 is a deficient number, since it is larger than the sum of its proper divisors (113320182098).

150261561646 is a wasteful number, since it uses less digits than its factorization.

150261561646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249603975.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 150261561646 in words is "one hundred fifty billion, two hundred sixty-one million, five hundred sixty-one thousand, six hundred forty-six".