151694074490 has 64 divisors (see below), whose sum is σ = 313897648896. Its totient is φ = 51703245312.

The previous prime is 151694074481. The next prime is 151694074507. The reversal of 151694074490 is 94470496151.

It is a super-2 number, since 2×151694074490² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10643309 + ... + 10657551.

It is an arithmetic number, because the mean of its divisors is an integer number (4904650764).

Almost surely, 2^151694074490 is an apocalyptic number.

151694074490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151694074490 is an abundant number, since it is smaller than the sum of its proper divisors (162203574406).

151694074490 is a wasteful number, since it uses less digits than its factorization.

151694074490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 151694074490 in words is "one hundred fifty-one billion, six hundred ninety-four million, seventy-four thousand, four hundred ninety".