151301770640 has 20 divisors (see below), whose sum is σ = 351776616924. Its totient is φ = 60520708224.

The previous prime is 151301770583. The next prime is 151301770643. The reversal of 151301770640 is 46077103151.

It can be written as a sum of positive squares in 2 ways, for example, as 70673032336 + 80628738304 = 265844^2 + 283952^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 151301770640.

It is not an unprimeable number, because it can be changed into a prime (151301770643) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 945635987 + ... + 945636146.

Almost surely, 2^151301770640 is an apocalyptic number.

151301770640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151301770640 is an abundant number, since it is smaller than the sum of its proper divisors (200474846284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151301770640 is a wasteful number, since it uses less digits than its factorization.

151301770640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891272146 (or 1891272140 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

Adding to 151301770640 its reverse (46077103151), we get a palindrome (197378873791).

The spelling of 151301770640 in words is "one hundred fifty-one billion, three hundred one million, seven hundred seventy thousand, six hundred forty".