151523650940644 has 12 divisors (see below), whose sum is σ = 279122514890800. Its totient is φ = 71774360971848.

The previous prime is 151523650940639. The next prime is 151523650940693. The reversal of 151523650940644 is 446049056325151.

It is a happy number.

It is a super-2 number, since 2×151523650940644² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996866124534 + ... + 996866124685.

Almost surely, 2^{151523650940644} is an apocalyptic number.

It is an amenable number.

151523650940644 is a deficient number, since it is larger than the sum of its proper divisors (127598863950156).

151523650940644 is a wasteful number, since it uses less digits than its factorization.

151523650940644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993732249242 (or 1993732249240 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 151523650940644 in words is "one hundred fifty-one trillion, five hundred twenty-three billion, six hundred fifty million, nine hundred forty thousand, six hundred forty-four".