155677266490 has 16 divisors (see below), whose sum is σ = 283766158080. Its totient is φ = 61482666960.

The previous prime is 155677266467. The next prime is 155677266491. The reversal of 155677266490 is 94662776551.

It is a super-2 number, since 2×155677266490² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155677266491) 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, 98529126 + ... + 98530705.

It is an arithmetic number, because the mean of its divisors is an integer number (17735384880).

Almost surely, 2^155677266490 is an apocalyptic number.

155677266490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155677266490 is a deficient number, since it is larger than the sum of its proper divisors (128088891590).

155677266490 is a wasteful number, since it uses less digits than its factorization.

155677266490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197059917.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 155677266490 in words is "one hundred fifty-five billion, six hundred seventy-seven million, two hundred sixty-six thousand, four hundred ninety".